sbc 041x heads info intake valve exhaust valve; 032: 70cc: 1. 0 scat rods with arp 2000 cap screws. 60" valves, 64CC combustion chambers, DO have accessory holes, I don't have port volume data for the regular 041, the 041X intake port should be 165CC's, the 041X exhaust port 1969 sbc 327 large journal,numbers matching,flat top 2 valve releaf forged pistons giving 10-1 compression,470 lift erson cam,041 gm heads, roller tip rocker Mark Jones just did a set of 041 heads for my 408" SBC. It is usually found on the top of the head in between two valves and the rocker arm studs. using high pressure moly lube or 70ft. W e l c o me. 7540 Contact Us • Facebook • YouTube • Site Map Not to sure on the flow of these but I do believe these are the second variant of the high port heads Ford Motorsport done backin the 80's. Port Size. The Ultimate Bolt-on Emissions Legal Street Weapon . The 7. Special Note: When using rocker arms greater than a 1. Heads are ID'ed (just made up a new contraction) not by the casting number but by the symbol cast into the end of the head. $185. OBX Racing Sports produces headers for 1970-'73 Mustangs with 351 Cleveland four-barrel engines. We are a manufacturer of innovative off-road headers and a variety of other products for demolition derby, truck/tractor pulling and mudding, generators, pumps, and other applications. 02" valve heads on engines with less than a 4. 02/1. It displaced 5. In the all new edition of Chevy Big-Block Engine Parts Interchange, hundreds of factory part numbers, RPOs, and detailed color photos covering all generations of the Chevy big-block engine are included. 10. This item is not sold as a pair, this is a single cylinder head. 14 results. Roller), Pair BR BAssembled with lightweight 8mm valvetrain/BBR The latest in wet flow technology produces a minimal cross sectional area with max velocity air flow. runs on pump gas. It is usually found on the top of the head in between two valves and the rocker arm studs. 50 valves, others say they have 2. first stage 40 foot pounds. 625-inch- exhaust valves from the big-block. The heads are better than low power crate engine heads. 0 Series/20° Track 1 Ford Compatible Series/20° Mopar Compatible Heads. If you already have a standard BBC head stud kit and are just looking for the 8 +. 7530 • FAX: 631. casting # chamber vol. 9 HP @ 6,100 RPMTrick Flow bolt-on aluminum small-block Chevy heads are available with a choice of combustion chamber sizes, valvespring options, and Air Delights offers the 041X 55/64-27UN Female x 3/8" NPT Female Adapter (Chrome Plated) (020108-45). See full list on crankshaftcoalition. Cast Aluminum Small-Block Chevy Enforcer. 10106178 – LT Small Block V8 1990 350, LT5, Corvette ZR1, DOHC 32 -valve, aluminum, passenger side head . 55 exhaust. 10 short runner. using 30wt. 0L / 364 cid. 00. 12562174 – LS Small Block V8 1998-up 346, LS1 . They are virtually identical in design to the 462 head, the 291 head, and the 186 head. While a significant portion of that tally was for industrial use (oil fields, irrigation, etc), small-block faithful still need quality castings to build up their ‘60s Chevys and earlier hot rods. 6, should give you a compression ratio of about 9-1 with stock 350 dished pistons. 462 is the most-used SBC head casting number out there- at least six different SBC cylinder head casting numbers end in 462, according to 'the books': 3767462 3782462 3814462 3890462 3891462 3990462 The second-generation engine featured aluminum heads, reverse-flow cooling (the heads received coolant first, in lieu of the block), and electronic controls. They use similar internals, exhaust manifolds and oil pans. Head bolts, and #235-4303 Head studs work too. 94 intake valves and 1. it is recommended to install the water pump before doing up the Best Deals on AFR 220 SBC heads here, Browse our Full line of AFR aluminum cylinder heads and aftermarket auto parts at CNC-Motorsports AFR, SB Chevy, Aluminum Heads, Competition CNC Ported, Intake Runner 220cc, Combustion Chamber 75cc, Angle Plug, 2. 94 : 1. 12560621 – LS Small Block V8 1998-up 346, LS1 . 5 exhaustvalves. . Please select a quantity of 2 on the following page to order a pair of cylinders Here we go again! FLOTEK Performance Cylinder Head debuts the NEW~AS-CAST Small Block Ford Head for Fall of 2018. T-6 Racing Often Imitated Never Duplicated! Fits all the generation three 230 250 292 Chevrolet Inline Six cylinder engines Only after passing our strict 67 point inspection process by our GM Master Certified, ASE & I-Car Trained technicians will we selec They are casting number 14101128 (58cc/angle plug). 241 cast heads were Die Cast which is a process that smooths up the ports a bit compared to the Sand Cast procedure that was done on the 806 and 853 heads. this engine is fully assembled from intake to oil pan. With more than 100 ancillary meetings, events, and gatherings throughout the week, you’ll connect with leaders and laypersons from around the country to be encouraged, equipped and mobilized for Kingdom work. This has led to allot of misleading info on head applications. west 68 · Registered. The largest intake port volune of any feuler heads. 4-to-1. 12 HP/CI 548HP 555ci BBC Dart Brodix 91 octane -1. . lbs. It also is a 64 cc combustion chamber. This is a quick walk through the history and evolution of some of the better production heads, but … The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 08" intake/1. and have rear water crossovers. 327 SMALL BLOCK CHEVY 291 HEAD F 13 8 DATE 3917291 2. The "041" head was a 1969-1970 high performance head, with the same exact performance characteristics as both the "186" and "187" Camel (double) Hump heads. Double hump heads horsepower Double hump heads horsepower I have a complete kit minus the head gaskets for a SBC. 218. com Re: 3917291 sbc heads 2. 94/1. 3cc COMBUSTION CHAMBER 1. Rocker Arm Studs: -1 & -2 Cylinder heads use a 3/8 rocker arm stud. Small Block Ford Compatible Heads. This time with our 12º Raptor cylinder heads. The first being the A3's which had some variations during their production. 94" valves and have the heads machined for 2. In 1992, GM created a new-generation small-block engine called the LT1, recalling the 1970 LT-1 moniker. ■ Maximum output for less money! 2097 Bart Ave. added info. our catalog for 1971-1985 Cadillac Decoding the ID numbers on Chevy Smallblock motors: (Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. 50" EXHAUST VALVE "THIS CYLINDER HEAD IS NOT A PERFORMANCE ORIENTED CYLINDER HEAD. Trick Flow Specialties TFS-3021B006 - Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet. About Us The 366 Chevy engine features a cast-iron block with aluminium cylinder heads. A larger 3. 050" to . The 041 and 186 heads are the only double hump heads that came with bolt holes. Over $8000 in new parts and machine work. 00: GM: 2. The 2021 Chevy Spark presents a more affordable and more fuel-efficient alternative to small crossovers. cast iron Vortec head, Gen. 50" valve 64cc head from the 1969 295hp 350 and the 1970 300hp 350,, same engine as none of the actual specs changed. TAHOE 1995 to 2000 YUKON DENALI 1992 to 1999 88-98 Chevy GMC 6Pc Extended Cab, Rocker, Inner Rocker Kit: Transcription . $499. The main difference in the LT1 is the reverse cooling design, which cools the cylinder heads first, then the block. lbs. For a 383 I would use a runner size of around 195-205 cc if you want peak power around 6500 rpm and gearshift of 7000-7500rpm Hi, These heads were made from 1987-99 with 1. PERFORMER - FOR 1987-95 CAST IRON CYLINDER HEADS (IDLE-5500 RPM) Designed for street 262-400 c. 94 X 1. 94/1. Without pulling a Richard Maskin, splitting and rewelding heads etc . 00 $ 429 . 98 long runner Head #1= 10. Trick Flow® Twisted Wedge® 11R 190 Cylinder Heads for Small Block Ford. ISSN: 2529-041X. 6 out of 5 stars 3. 02" Intake/1. 1950-1959 Air Filter Assembly Dry Element Air Cleaner 6 CYL Chevy/GMC. 2: L4: 02-07: Chevy Ecotec I'm thinking of doing the same thing, new 350 in my 91 Sierra 4x4, considering it has 151,000 plus miles on it, mostly hi-way. 490cc long runner Head #2= 442cc short runner. 5001 - 1971-76: 333881 : 350 as the "Turbo" heads. The 12º Raptor is the big chief style spread port head. I don't claim to be an expert about engines and am simply sharing some of the information that I've compiled from many different sources. Detailed Description: Inside Mirror Head for Chevy Truck Stainless steel housing, measures 7 inches wide, 2 3/4 inches tall, has a ball stud on back with threads for bracket, 5/16 x 20 threads. Assembled heads will include the following: 3/8" screw in studs # 915-99156 DFW or FLW Files A Package of more than 2925 flow files for use with Dyno simulation programs. “The Hammer” 205 cc features as-cast ports and is designed for street or strip performance applications operating in 7200-7400 Small Block Chevy Cylinder Head Assembly Kit with 2. Bore Dia. Only 1 left in stock - order soon. Generation I (1955-1980) Firing Order This head is a 305 HO head from 87-91 models and the chamber size is 58cc. Just wanted t Please Note: This info is incomplete and I am still trying to compile this list. These heads flow over 325 cfm to easily support 725-plus horsepower. Pro Filer Small Block Chevy All American Heads with 185cc Intake Runner, 2. 310” x 2. 2 / 465cc = 2. Joined: Aug 18, 2006 Speedmaster PCE281. "Double-hump" heads were found on many of its high-performance engines in the 1960s and early 1970s. replacement engines Biblockwilly what you'll need for this engine to hit your goals is a set of heads in the 200-215cc intake runner size,and a Performer rpm intake . Add to Cart. The heads were bowl ported and machined for a 1. I. Standard SBC head studs or bolts may be used. You'll learn what works, what doesn't, and how to how to swap Hi,I'm new to socal jet boats and fairly new to jet boating. Identify your trucks block, cylinder head, crankshaft or intake and exhaust manifold casting numbers. 60 valves, some don't list the intake runner volume, others say it is 165 cc's. 35" Intake Valve and 1. These heads should be torqued to 65ft. 60. Add to cart. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. The inline valve configuration features a 15 Deg valve angle and a modern combustion chamber design allows for high compression without large piston domes. get yourself a book call "how to rebuild a small block chevy" by "HP" at your local book store. Heads – The heads are all new and shared with the 3. The small-block Chevy was blessed with more displacement in its third year (the 162 horsepower 265 was still the base engine). Can use heads of your choice for build. 02/1. Probably the biggest difference though is the aforementioned deck The Edelbrock part #77219 Victor 15 Deg Small Block Ford 240cc cylinder head is designed for maximum effort competition racing on 289 - 351+ cubic inch based engines. Exh Manifold to Cyl Head (Center) 3/8"-16 25 ft. 30 HP/CI 722HP 355ci SBC Vortec 906 91 octane - 1. At some point they swapped the -520 heads for a set of 64cc iron heads from a late model IROC Camaro, and the car picked up around 20hp. 08 Unassembled Small Block Chevy 350 Retro Roller 4-Bolt Main Split Seal Block Machined, Punched to 40, Line Bored, Decked, Balanced and Blueprinted with Forged Steel Crank and Forged Steel Rods/I-Beam with High Quality Parts and Internals. 33. I also have a 1983 305 with the 416 heads on it. 85" exhaust valve. 46" Dual Springs at 160/420+ spring pressure with steel There is not alot of difference between an 041 head and an 041X head. Stroke: 3. There wouldn't be a huge difference on a mild street engine but I'm guessing they'd have the potential to make 8 or 900 hp on a race engine with no problem. 7L V8 engine that was produced from 1992 to 1997 has some significant differences compared to the previous small block Chevy it replaced, and the third generation LS1 small block that later replaced it. If one discounts the Trick Flow head's larger intake runner and valve, and revised valve angles, the AFR head is the clear king of the street-head mountain, at least in the cfm category. The Chevrolet LT1 5. 25 ft. It was available from the factor with both 1. 4: L4: 09-16: Chevy Ecotec – Need cam lobe positions: 788/279/282: CH65142 $395. 60: over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum As you may already be aware, there is a dizzying number of cylinder heads available for the Chevrolet small-block. This will be too high if you use iron heads,ok with alloy heads and this cam. I would look for the older 781 oval ports or similar heads 74-earlier I believe, a little rusty on BBC head info. 100_ studs, use our PCE279. With a 230-cubic-inch inline six with a mild cam , headers , and the cylinder head work we’ve described, you could expect to make around 250 to perhaps 260 horsepower. 4. Coming from LS and small block Ford I am building my first gen 1 small block from all free parts that people have given me over the years. 460 in Springs, Straight Plug, Aluminum, Small Block Chevy, Each (102-505) 4. They do not go into the by Tom Dufur The big-block Chevy’s canted valve heads are largely responsible for the tremendous power capability of the Rat motor and its continued popularity. They also have screw in studs and guide plates, asking 350. Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage. There is a positive camshaft retaining plate on the front, and the nose of the cam is stepped down to accept this plate. one extreme hi-velocity #041x SBC Heads is using more Fuel, but if you try to lean it out, you loose even more Torque and HP notice it makes Peak TQ and Peak HP lower and runs out quickly with rapid rising BSFC numbers as rising RPMs show Choke problem even more. Those are rare. We know of two castings, the 12590746 and 12624610 that come with or without holes drilled for A. 08 x 16. lbs. If you have any info that can be added, please let me know. 2158 Cast Iron Cylinder Head Small Block Chevy 350 DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head [For Chevy SBC 302/327/350/383/400] Remanufactured GM GMC Chevy 350 5. Ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined creating the perfect platform for new runner and chamber designs. . NEVER SELL OR TRADE THEM. As with the 20º heads, these too will require specific parts. We also offer various short block and cylinder head combinations to choose from. /Mech. I'd suggest a head with 72cc's if you are using AFR #1040 Cylinder Heads, Aluminum, Assembled, 65cc Combustion Chamber, 195cc Intake, Chevy, Small Block, Pair. 2 5. Click on the header to sort. FIRST EDITION. Lbs. Visit www. Exhaust Port Gasket: Fel Pro 1405: Head Gasket: 350ci Fel Pro 1003 400ci Fel Pro 1014 THE TRUCK PULLERS DREAM AND THE "MAC DADDY" OF IRON HEADS . The original head design is often referred to as having a 26-degree valve angle, although this intake valve angle of inclination is only one of four angles nee 385ci SBC Vortec 062 91 octane 1. IF you do have a spec from the manufacturer follow that. These heads came off a running engine so they are in excellent working condition. 50: 034: 64cc: 2. Each was designed to provide the type of service intended and reflected … ALUMINUM FAST BURN HEADS Chevrolet Performance’s Fast Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. dart shp block with splayed main caps. 461X heads are some of the REALY EARLY fueler heads and have 165-170cc intake runners. 60" exhaust valves. Lbs. 6" valves installed, bowls ported to proper sizing with larger valves, exhaust runners ported smooth so they could be polished, no intake runner work, no chamber work other than blending out from the valve job around . 00: GM: 2. 00 stroke forged crank, and 6. The pistons in this engine have a compression ratio of 9. 7 L (350 cu in) and was a 2-valve pushrod design. 5 angle competition valve job, diamond honed Oldsmobile small-block cylinder heads have a number, like this popular number-7 casting cylinder head. Flow measured at 28" of depression. com 1969 Z28 DZ 302 SBC Small Block Chevy 186 Double Hump Heads 3927186 D-28-9 F16-9 1 out of 5 stars (1) 1 product ratings - 1969 Z28 DZ 302 SBC Small Block Chevy 186 Double Hump Heads 3927186 D-28-9 F16-9 041 sbc heads for sale 03/06/10 at 11:26am i have a set of 041 casting, 2. Let’s use the 583 engine again. EQ Vortec heads produce great throttle response and low to mid-range torque for Street Stock type circle track applications. I. World’s S/R cylinder Head are the preferred alternative to expensive OEM castings or junkyard rebuilds. I understand the compression ratios will effect the ability to run cheap gas, but i really Cylinder head torque settings on chevy inline 6 cylinder engines should be pulled down in 3 stages. My plan is to use the 350 and do the following: Install hooker headers, (cause that's what I have already) go with a performance dual plane intake, completely rebuilt qjet, running the stock 416 heads. 1001 2451-S. Home. 2-2. Chevy V8's that have heads with canted center bolt holes. AFR 190cc Street Eliminator Vortec SBC Cylinder Heads 65cc Chambers - Air Flow Research 0912 - TREperformance. SBC Eliminator - Gen I Manifold; SBF Renegade - 20 greece is experience culture, gastronomy & more. 500″ (305CID) Straight Plug, Bare Castings. The LT1 series Gen II small block Chevrolet is very similar to the standard small block. 00 stroke forged crank, and 6. Unique multi-angled intake & radiused exhaust valve seats for increased flow and horsepower output. Anyway, these are pretty good heads, as long as they are prepared correctly. They are center bolt valve cover heads. lbs. 60" exhaust valves. 94/1. 10. 5001 : 74 : 1971-73: 330862 : 400 : 1. Whether it was 283, 302, 305, 307, 327, 350, or even small block 400. 5 or 1. 50 valves. Unless you are restoring a car and want to be exact in every detail, the early 265 block is not one to use since it has no oil filter. Small Block Chevy • Big Block Chevy • LS Series • Small Block Ford • Big Block Ford Toll Free: 800. lbs. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads - GM 291 Camel Hump Heads, 2. Though these heads maintain an outward appearance of conventional heads, they are not. 0-liter V8 LS7 is an engine produced by General Motors for use in high-performance vehicles. Notably, General Motors released a new LS7-based LS427/570 crate motor with an increased output Small Block Chevy V8. The BRODIX Track 1® has a very thick deck that is compatible with nitrous, and comes with phosphorous bronze valve guides and hardened valve seats installed for unleaded fuel. The most common heads sought by engine builders are ones identified variously as the "Camel Back," "Double Hump" or "Humper" heads used on a range of passenger cars and performance vehicles. My father had one, I knew the factory engine was a 4 bolt 350 with 041 casting heads, and if it were still in there it would be quite a The x stands for high output. When using 64cc heads,,,, Flat top 327 is about 9. 60 Small block chevy head castings; Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine; 10033867: 62cc: 2. 5 ratio, it may be ne cessary to elongate the pushrod guide holes in the cylinder head. HEAD LIGHT HIGH BEAM CONVERSION KIT FOR YOUR. 22 - 40. S. 00 $ 56 - SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. 88 exhaust Pontiac/chevy aluminium small port /race: 10051128 There were 305s with 267 heads too. YEARONE Classic Car Parts for American Muscle Cars | Barracuda Cuda Challenger Charger Chevelle Road Runner Camaro Super Bee Dart Duster Valiant Firebird GTO Cutlass 442 Mustang Nova GM Truck Skylark GS Monte Carlo El Camino Mopar Chevy AME Info (Abu Dhabi, United Arab Emirates) American (Washington, DC) 1932-8117 1/2007 1535-041X Engineer 0013-7758 Engineer Online Engineered Systems 0891-9976 Goodwin, CNC Pro Ported Brodix Iron Killer Chev SB HeadsBR 212cc/64cc, Assm. MYK O N O S. With your quench in the . For the flow remember bigger is not always best. I see a few mistakes in there too. The 265 cu in (4. The AFR Enforcer small-block Chevrolet head retains the standard 23-degree valve arrangement and is the only variant in the Enforcer lineup with two different configurations available. SBC CHEVY 400 406 NKB-200cc ALUMINUM HEADS STEAM HOLES 64cc STR. 02/1. the 327 is a high winding motor and will spin up quicker than the 350 in a small car like your nova. 267, 305, 327, 350, 400 cid. Crate Engine Depot - Chevrolet Performance Parts and Engines for sale. 3L Truck 862 and 706 Head castings On the left is the original small-block rocker arm used from 1962 until May 2, 1966, for cylinder heads with pushrod guides machined into the head. Something great just got better! Trick Flow has taken its track-proven Twisted Wedge design and, using advanced 3D solid modeling and CAD tools, plus a couple decade’s worth of racing experience, has made it even more potent for serious performance enthusiasts and racers. Flow data based on Cylinder #1 intake and exhaust port. Material: Iron. 60. 72 : 1. Search Car Torque Specifications by Engine or Model Join us June 15-16 for the 2021 SBC Annual Meeting. It is equipped with a hydraulic roller camshaft. 70 ft. There might be 5 CC intake runner difference. These heads were used during the '60s and '70s on various performance engines. 710 Lift Springs Dart Machinery, Ltd. One head only. 020 heads with 220 intake runners, 180 exhaust runners with 68cc chambers for about $700. You can pull an easy 300-350 HP out of them, with a Edelbrock manifold, 600 cfm carburetor, headers, free flow exhaust, and a small 260-270 degree Head #1 flows 320cfm through manifold and carb Head #2 flows 305cfm through manifold and carb Head #1= 465cc short runner. 060", heads step cut for 1. 155 bore wiseco pistons, scat 4. A. 1 is about the most you can expect. R. afr 220cc full cnc'd heads aluminum . 94 intake, 1. When initially removing main caps, the caps & block should be deburred before reinstalling. He was porting them to match an Isky 280 Mega in a pretty mild street app (450HP/500TQ -- 5,500 max RPM), so I'm sure he wanted them at a certain spec. 000-inch-diameter intake and 1. As usual, information on these and other heads is all different from one source to another. 100 Intake 1. final stage 85 foot pounds on the 2 front cylinder head bolts & 95 foot pounds on all other head bolts except the front 2. The raised ports and big intake valves really help when you're trying to make big power. Specializing in Chevy 216/235/261 ~ 194/230/250/292. Warren MI 48091 Main Line: 248-362-1188Main Fax: 248-362-2027 If you would like to contact Dart Machinery, please click the button below to send us a message or you may give us a call using the information on this page. 10106179 – LT Small Block V8 1990 350, LT5, Corvette ZR1, DOHC 32 -valve, aluminum, drivers SBC Head Casting Numbers. Casting No. lbs. 4. runs on pump gas. 7/09 - AJ/mc 1 of 2 ©2009 Edelbrock Corporation Brochure #63-0012 VICTOR JR. 041 / 041x heads 1969 350 « on: March 21, 2006, 03:15:54 PM » trying to find a correct set of heads for a 1969 ss350 auto. Company Registration number 02664522 . it has all the specs for heads and blocks. the #041X Heads will make the most HP & TQ than 461, 462, 186, 291 castings except for the X-style of the #461's -> #461X One of the most influential small-block cylinder heads ever made was manufactured in the late 1950s. 020/1. Available $849. 30 ft. SBC CHEVY 327 350 383 NKB-200cc ALUMINUM # 041X Call for Pricing . 000" Bore Fixture. Use our PCE279. E. Intake Port Gasket, 1. 467cc long runner Head #1= 10. […] Pro Filer Sniper Big Block Chevy Heads with 370cc Intake Runner, 2. Mopar Performance is the performance parts branch of Mopar. 02/1. I am trying to gather information on decoding engine serial number identification prefixes (pre-1954) and suffixes (1954 - 1959) to add to this site. Many uber-street-performance enthusiasts—aka street racers—still profess loyalty to the Chevy’s classic Gen I small-block. Cylinder Head, DHC™ 175, Fast As Cast®, Bare, Accessory Bolt Holes, Small Chevy, Each. They were found on 1969-1970 302 and 350 engines. , 8mm Beehive, Hyd. Runner size dictates peak rpm power so the cylinder head size between a 350 and a 383 will be different, if you purchase a 180cc head for the 350 it can be ported for the 383 later on. 2017-2018 ISSUE. 02: 1. Then, in 1997, the third-generation small block was released. 02/1. These value-priced cast-iron cylinder heads use modified combustion chambers and high-velocity port technology to provide improved performance. . Air Flow Detail #176 SBC All American Head - 185cc Runner. 5°/11° LH Series Cylinder Heads/17° Head Hunter™ F Series/15° ST 5. Accepts late-model water neck, air-conditioning, alternator, H. Losts of info. SBC Heads. SBC Loved All Over. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. They're fully assembled with valve springs, retainers, locks, guideplates, studs, and seals. 67-72 Chevy production numbers Production numbers for 1967-1972 Chevy Trucks, Blazers, Suburban, and Panels . 041 heads are a copy of the early fueler heads like the 461-462-186. All the following parts are brand new: - Dart SBC iron eagle block, brand new with block accessories - SB2. 50 Flotek Cylinder Head, Assembled, 2. I paid 300 for some which i brought from a dumb college kid. The LT1 used a reverse-flow cooling system which cooled the cylinder heads first, maintaining lower cylinder temperatures and allowing the engine to run at a higher compression Overview . lbs. Flow data based on Cylinder #1 intake and exhaust port. 35 HP/CI 620HP 420ci SBC 18x 93 octane - 1. Part Number: DRT-11992010 Not Yet Reviewed The vortec heads is one of the most done head swaps onto older engine blocks. 60" Exhaust Valves, all these heads had 76cc combustion chambers. More tech info. Including battery operated and electrical automatic faucets, and solar powered faucets. 02" Intake Valve and 1. 50. A good performance head. Contact Dart Small Block Chevy Casting Numbers Please see the attached charts to help figure out exactly what you have. Small Block Mopar Performance Engine Parts 273 318 340 360 5. 155 bore wiseco pistons, scat 4. Will not fit Chevrolet Bowtie or LT1 heads. Years Used: Used In: 333882 '70-76: 400: 354434 '75-76 '76-79: 262 305: 358741 '76-79: 305: 3030817 '74 FLOTEK High Performance Cylinder Heads 1712 Read Street, Evansville, IN 47710 Phone: 1-800-270-0095 I Fax: 812-421-0983 Torque Specs for Small Block Chevy Engines Part Bolt Size Minimum Maximum Camshaft Sprocket 5/16"-18 15 ft. comes with Heads aluminum 2. Just cause they slapped them together doesn't mean that certian heads were supposed to be on certian engines. Rocker Stud Torque: 55 Ft. this engine is fully assembled from intake to oil pan. 00. BED PARTS . And, the water outlets were moved from the intake surface to the front of the heads. Also, this head has 1. PLUG NKB-274-SH. 5:1 compression 1966 Oval port head; notice tapped bosses for spark plug shields. The Shafiroff 440ci small-block with SB2. The most common modification done to these small-block Olds castings is to install the 2. 57 HP/CI 680HP Services Events Links Online Store CPM Head Fixture Head Fixture Accessories Small Block Chevy Cylinder Head Casting Numbers. com - Hot Rods - Musclecars - Project Cars - Farm Trucks Cylinder Head Casting Numbers for Small Block Chevrolet V8 Some cylinder head casting numbers for small block Chevrolet V8 engines (265-283-327-350-400) Sbc Chevy 350 Sbc Chevy 350 383 Aluminum Heads 64cc Chambers 200cc 202 160 Bare Str Plug. COMES AS A BARE SET The RHS® Pro Elite™ series of CNC-ported cylinder heads is designed for racers who want the absolute maximum engine performance. build date 02-19-69 , 388 tonawanda block hb . 94" Intake/1. These AFR 195cc SBC Eliminator Street Heads are fully CNC-machined (combustion chamber, intake, and exhaust ports) and available in your choice of straight or angled plug versions. Casting Numbers: 12551364, 12573581, 12577184. 5 and 2. 5 out of 5 stars. 4 out of 5 stars 9 $429. 50" or 2. 6 valves, just depended upon which vehicle GM put them in. I think the end result was just over 300hp. 00: GM: 2. 248-362-1188. 9 Magnum . The 86 heads are the peanut port heads (small intake), good for low end torque. Leadfoot68 Small block Chevy heads have been manufactured since 1955, and have been used in high performance applications as soon as the first one rolled off the assembly line. oil. There's a lot of conflicting info on whether these are good heads for boats. Chevrolet Big Block Cylinder Head Casting Numbers. 72: 1. Over 6,000 Automotive Torque Specs. They were manufactured with larger intake and exhaust port volumes and valves for the period, and 041's are a 1. With over 35 years of experience in automotive machining, you will not find a more trustworthy and reliable source of parts. 020/1. RECTANGULAR PORT - Valve size 2. These cylinder heads are very popular in street rods, engine swaps, or the industrial market. They were found on 1969-1970 302 and 350 engines. I have formatted each cylinder heads information into individual files for use with different versions of DeskTop Dyno, DynoSim, Comp Cams CamQuest program, Dynomation Versions 4 and 5 and Performance Trends Engine Analyzer. . These were used on all the 302's and 351W's in the pickups and vans and up into the 97 model year in the F250's with a 351W engine. "041" – 3947041, also 3947041X. Once ported any "advantage" the 241 cast had is moot. They had either 1. It uses four rings on the piston, and Chevrolet designed it from the beginning as a truck engine. In Stock, Fast Shipping. Casting Number. 7L-350ci-V8 Engine Torque Specs. They have one season on them, but are in great shape. 02/1. SBC Heads; SBC CHEVY 400 406 NKB-200cc ALUMINUM HEADS STEAM HOLES 64cc STR. Maskin says more than 25,000 iron heads were sold last year. 000 bore. Contact Info:2097 Bart Ave. 28HP/CI 456HP 460ci BBC 188 - 1. 6 valves, showing the unshrouding cut adjacent to the intake valve; if you have 1. Small Block Chevy Rocker Arms: S/R Torquer heads utilize a standard offset rocker designed for the Small Block Chevy. 1970 Chevy 400 cu. SBC 2021. Your cam will support what you want. Part # HP8103 Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 220cc intake/67cc exhaust runners, 64cc combustion chambers, and 2. Combustion chamber size is 65CC, which would offer you the ability to get a reasonable compression ratio with flat top or slightly domed pistons. small block cylinder head part number 3951518 441 X. 2 SBC GM Performance heads (PN*****0011) Heads have been CNC machined by M&M competition engines in the states. All Chevy V8 engines, from the big-blocks to the LS engine platforms of today, evolved from this 283 small-block family. Since the introduction of the small-block Chevy in 1955 up to the late 1990s, a small budget meant a limited choice of heads for performance. Until the turn of the millennia a restricted budget meant buying cylinder heads from a wrecking yard, a private third party source, a swap meet, or a reputable discount performance auto supplier. PLUG NKB-274-SH. This head is engraved and serial numbered by Engine Quest for IMCAs Sport Mods, Stock Cars, and Hobby Stocks. 7142 • Phone: 631. 7 VORTEC Cast # 906/062 Cylinder Heads Pair (CORE RETURN REQUIRED) Engine Block Specifications. 73 - 132. Now approved for WISSOTA Midwest Mods and Street Stocks. From the boneyard to the dyno cell, discover how to enhance the factory performance of a little-known Chevy cousin and keep its original looks. FT/Hyd. dart shp block with splayed main caps. 74 exhaust. Replacement part # 830475 The heads are interchangeable, but there is nonadjustable valve train. B1 Series/15°/18° Spec Heads. Optimal port design for greater flow, better atomization & enhanced dynamics. During 1956 this was rectified and the engine continued in production until 1957. 02/1. For more than 40 years Chevrolet has developed heads for all types of uses, including stock, high-performance, smog emissions, and over-the-counter all-out race heads. I have a big block chevy casting # 10114182 and head casting # 10114156. Using highly efficient port designs and state-of-the-art combustion chamber shapes, Edelbrock cylinder heads offer improved performance throughout the rpm range for great throttle response and top-end horsepower. 94/1. Year. According to info I have found the heads are peanut port heads. Designed by Ed Cole's group at Chevrolet to provide a more powerful engine for the 1955 Corvette than the model's original " Blue Flame" in-line six, the 162 hp (121 kW) 2-barrel debut version went from drawings to production in just 15 weeks. We have the original, vintage Chevrolet parts for your 1937-1972 classic Chevy car: Chevy doors, Chevy fenders & bumpers, Chevy engines & cylinder heads, Chevy steering parts, Chevy rear end components, Chevy wheels & hubcaps, Chevy glass, Chevy seats, and hard-to-find Chevy hardware and Chevy logo accents. 0 out of 5 stars 84 $249. The AFR Emissions Legal (versions from 1969-94 with heat riser, CARB EO #D-250-2), 195cc intake port small block Chevy cylinder heads are available in your choice of straight or L98 angle plug versions. $56. Like AFR’s other SBC cylinder heads, the Enforcer is available in both straight and angled-plug configurations. 99 $ 249 . They have big intake ports, modified chambers with bigger valves and updated exhaust ports. I Bowtie, 206/77cc ports, large port head Although the Dart/Buick head may be revolutionary in terms of the small-block Chevy, parts such as valves and rocker arms are readily available. This will insure that correct main size is maintained. 99: This E-Force Manifold Series 1 manifold is designed to fit engine swaps using the 1996 and later Vortec (Gen 1+) cast iron heads or the Edelbrock E-Tec aluminum heads. 5 cc Intake Lump Port head. 622 in. Quick View. Small Block Chevy 220cc Eliminator Race Head Specifications: Head Torque w/Moly Lube: 65-70 Ft. 99 Mrhotrod6 Motorsports Stage 1 72. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 TFS Heads402. The lifter bosses are taller to accommodate the lifter anti-rotation plates. #2104 accepts exhaust-heated chokes. I'm not really even sure if the runner size is any different or not. 9L. 02"/1. This head was designed for the drag or oval track racer who wants a lighter weight cylinder head that can make a significant difference in horsepower. 94/1. jamsionline. 295. These heads are basically the same as almost all sbc heads from 73-on (up to the center bolt heads), 1. Have a set of gm heads 10128374, can i put them on a 1970 - 350 without using a reverse flow water pump and serpentine - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 00 TREperformance sells new AFR 180cc Eliminator aluminum cylinder heads from Air Flow Research for almost any Chevy vehicle including the Camaro and Corvette, or any other L98 FBody, part #0912. Displacement: 6. GM 5. World Products 042650 – Cylinder Head Cast Iron Chevy Small Block S/R 170cc 58cc 23Degree 1. They feature ultra-smooth 356-T56 aluminum casting, and professionally designed runners and chambers that are meticulously CNC-ported. Milling a stock 5. 600 out of box shape and valve job, as shipped Flow tested on SF-600 FlowBench Flow tested at 28" on 4. Camaro, Corvette even Stovebolts can be found here. 0 for GMC Sierra Yukon Chevrolet Buick Chevy Silverado Head Unit with WiFi Bluetooth Support Apple Carplay Andriod Auto 4. • Take the 350, rebuild it with standard size bearings and rings, but install a set of 305 heads , a RV style cam or Chevy 350/350 camshaft. 1-4, 2-4 or alcohol injected, no power adders or nitro. 02's or 1. 4: L4: 02-08: Chevy Ecotec – Need cam lobe positions: 788: CH65141: $395. 50 exhaust while the bottom head is the performance version (325hp and higher) used on 67-68 327 applications with 2. 94 sbc head casting # 3973487X Discussion in ' The Hokey Ass Message Board ' started by Fireball Mezcal , Apr 19, 2007 . TrickFlow aluminum SBC heads with 2. 3 L) "Turbo-Fire" V8 was the second Chevrolet small-block; the first Chevrolet V8 was produced from 1917 to 1918. The only expiction to this rule is 2. oo for the pair, and there good to 525 CHEVY SBC 350 DUAL PLANE VORTEC INTAKE MANIFOLD SATIN: $124. They had either 1. 1006 or ARP # 235-4306. aluminum heads chevy 14101128. 4. 84 or 1. . Every component is detailed, from crankshafts and rods to cylinder heads and intakes. Casting number 3836842 cylinder head first showed up in 1957 model Chevrolets equipped with the 283ci V8 engine. 19 intake, 1. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. Steve continually strives to build the most innovative drag racing engine combinations for the sportsman racer today! If you have any questions about the engine combination you are interested in, please call 1-800-957-7223 or contact us . Discussion Starter • #1 • Jul Victor Jr. Huge inventory of used Chevy auto parts & accessories . Ford Power Applications lists several unique header configurations for small block Fords using Yates, Blue Thunder and Dart aftermarket heads. Price: $1,918. It's a little junker 355 and someone gave me a pair of 993 heads that have been ported and valve job with 2. The most obvious difference that distinguishes the LT1 from these other engines is the front-mounted Opti-Spark ignition system. I would stick with the 327. Joined Jan 2, 2005 · 223 Posts . 600 in Valves, 180 cc Intake, 64 cc Chamber, 1. 08 short runner. Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. Chevy Running Board Safety Treads 1947-1955 Black with Non-Slip Finish . 02: 1. And the dates on the E7TE heads. 041X Cast Cylinder heads. These heads will produce 1200HP. John’s porting technique removes the thermactor “hump” (all small-block Ford heads have them, even 49-state heads), opens up the port, and smooths out exhaust flow into the header. Pace Performance Products in Ohio put together a decent upgrade. Dis cove r PROMAXX Performance Shocker Series small block Chevy cylinder heads are as good as it gets for 23-degree performance heads. 94" INTAKE 1. 00. 040 range,you'll be right at 11-1 with a 64cc combustion chamber. Connecting Rod 3/8"-24 30 ft. Re: Seat cutters for sbc 041X heads Post by mag2555 » Wed Feb 24, 2016 11:44 am For the best overall average flow numbers on at least the intake side those are the angles I have found to work best for under. 387 = 165. 02's and don't have the unshrouding cut done, they'll flow less air than the 1. 02 intake and 1. 35 Ft/Lbs - Iron Heads The torque spec can be anywhere from 25-35 on Iron heads, but for aluminum I tend to go towards the lower side. When I started this Web site back in 1996 there wasn't much information about big block Chevy engines on the Web, so I decided to create this page. com to shop today. Taking the affordable performance cylinder head to the next level. – LS Small Block V8 1998-up 346, LS1 . I don't want to say that these heads have good flow characteristic other than they are noted as "swirl port" heads. These heads will fit all 265, 267, 283, 302, 305, 307, 327, 350, & 400 small block Chevy engines from 1955 to 1986 with no modifications and 1987-1999 with correct intake manifold (except 1992 & up LT-1 reverse flow). Edelbrock Performance Cylinder Heads are made in the USA, offering the best in quality and performance. d. in. 02" intake/1. Here is a quote from one of the reman shop websites about these heads: CASTING NUMBER 14102193 SWIRL PORT INTAKE PORT DESIGN 65. 60" valves, 64CC combustion chambers, DO have accessory holes, I don't have port volume data for the regular 041, the 041X intake port should be 165CC's, the 041X exhaust port should be 65CC's. An easy way to gain 20-40 horsepower on any 1955 and newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. 1005 head stud Kit. They were fitted with either 1. Maybe he will chime in here. 500" lift the heads flowed 238 cfm on the intake side and 182 cfm through the exhaust. 8L/5. I am buying a stock late 70's early 80's model 350. The overhead valve system uses eight cylinders with aluminium heads. -ft. Cylinder Head Stud Kit for Chevrolet Small Block SBC 265 267 283 302 305 307 327 350 383 400 Head Studs 134-4001 PCE279. 6 LB-FT @ 5,100-5,200 RPM430. i was told i needed 041 heads. 23° CYLINDER HEADS For Small-Block Chevrolet V8 Engines Part #s: 77569, 77579, 77589, 77599, 77619, 77629, 77639 & 77649 INSTALLATION INSTRUCTIONS ® Cylinder Heads. 41 - 72. Casting number "462" fuelie heads. I never asked what they flowed because I trust him and don't really understand all the details. 940″ x 1. Additional big block applications are also offered. The heads on these older Chevy six cylinders are not very good so making 1. SBC for Professionals QVC UK QVC Italy QVC Germany TVSN Australia Shopping Live Russia. Jump to Latest Follow 1 - 6 of 6 Posts. BF Series/9. 50" or 2. Small-block Fords, for example, suffer not so much from small intake ports, but small exhaust ports that do not scavenge well. As anticipated the AFR heads were serious contenders. An aluminum head casting – distinguished by Chevy Bowtie logos at each end – and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm! E Q Cast Iron Vortec Small Block Chevy Heads The Engine Quest Vortec heads are an excellent performance and endurance improvement to the Chevy production Vortec cast iron cylinder heads. The top head is the 'lower horsepower' version (300hp and under) used on 67-68 327 applications with 1. 2 heads is built with a budget in mind, using a chain drive, iron block and stainless-steel valves. Beginning May 2, 1966, Ford went to a rail style rocker arm (right) to cut costs, which called for a longer valve-stem and a new pentroof- style valve cover. We stock Automatic Faucets from Sloan Valve, Zurn, TC, and Rubbermaid. In 1967, the engineers involved in Chevrolet's performance engine program decided it was time to get serious. They should have about a 155-160cc intake runner. Refurbished. 85/1. 4 product ratings - 327 SMALL BLOCK CHEVY 291 HEAD F 13 8 DATE 3917291 Chevy Hi Performance magazine did a 283 buildup around '94 or '95, and they used -520 heads. Big Block Bare Cast-Iron Gen V and Gen VI Cylinder Head. Head stud holes are blind. afr 220cc full cnc'd heads aluminum JAMSI is a trusted source of automotive engine parts. You can put any 1955-2002 gen I small block head on any 1955-02 gen I small block. Welcome fellow hobbyists! This site is dedicated to our hobby, featuring all Chevy/GMC Inline 6 engines and parts. Estimated Ship Date: Today This is a pair of original GM 3946074 aluminum cylinder heads for Big Block Chevy engines. It's a HorsePower first - the buildup of a classic Buick 350 small block. 94/1. All gen 1 heads will fit, bolt up just the same. 00 A good performance head. Choose Group to View Cylinder Head Codes Select Cylinder Head Group ALL Head Codes 262, 265, 267 302, 305 or 307 302 Only 327 350 400 AD Performance Iron Eagle SBC 165cc Port Cylinder Heads *Bare* [10021070] - DART Iron Eagle Small Block Chevy Cylinder Heads 165cc runner, 67cc, 72cc or 76cc Chamber, Straight Plug - BARE, heads are priced per head (2 needed for an engine) Part numbers at this price: 10021070 - 55-86 Standard Intake Face, 72cc chamber, straight plug, 1. Sort by See all Aluminum Cylinder Heads. Email Product Request More Info Add to List Solar Accessories, Bobble Heads, Statues, Cowbells, Rubber Ducks, Games - Board, Optical Those heads would make big power on the right engine. Cam bearing OD should be deburred before installation. 95 long runner Head #2= 10. Selling an sb2 headed small block chev. 030 puts your chamber at ~ 62. $734. Not much is required to complete this setup. AWESAFE Car Radio Stereo Andriod 10. You can use a stock intake manifold with a quadrajet carb and you will have some decent If youíre looking for a small-block Chevy that makes big-block power, weíve got the engine for you! For the ultimate GM Performance Parts small-block crate engine, choose the ZZ383óa combination of Fast Burn aluminum performance heads and a 383 stroker small-block that can add up to 425 horsepower and 449 lb. Like the C8ZE head, that was used on the 68 302 4 bbl engines. Sale Price: $1,736. Learn about your vehicle's service history, warranty, recall and more at your Chevrolet Owner Center. Factory steam holes. In 1962, the 327ci engine in the Corvette was the first small block to offer a 4-inch bore. These cylinder heads were part of the no-holds barred LSx-454 crate engine project, which was sort of Chevrolet’s gift to its performance engineers to build the biggest, meanest all-aftermarket parts small block/big displacement motor in the Chevrolet Performance catalog. forged 4. They come complete with the valves, springs, and guide plates. 94 intake and 1. Same Info applies to the: 4. Fifty-five years of manufacturing have left us with an endless number of different cylinder heads for the SBC engines. IT IS CLASSIFIED AS A HIGH SWIRL HEAD THAT WAS INTENDED FOR GOOD BOTTOM END TORQUE AND FUEL ECONOMY. lbs. The heads will accept Buick Stage II V6 valves and, of course, a wide variety of retainers, locks, and seals are available. 50" Exhaust, or 2. same bore as a 350 with a shorter stroke. sbc chevy pro street hydraulic roller cam 434 cubic inch engine 670hp street rod setup. Available $849. 02/1. At . second stage 60 foot pounds. Cast date J 9 9 (October 9, 1969). Flow measured at 28" of depression. W. If you use these heads in place of a camel hump head it will lower the compression due to these have a larger combustion chamber. i find available 041 and 041x . 50 valve setup 10021010 - 55-86 Standard Intake Face These lightweight aluminum heads bolt up to your small block Chevy and feature 195cc intake/75cc exhaust runners, 64cc combustion chambers, and 2. 00 Save: $182. 81 avg CSA short The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. Friend and I seen a 1969 Chevy kingswood estate wagon in a guys yard when we were out of town years ago, knowing what rested under the hood, we stopped to check it out. 180” w/ 3/8” radius: Fel-Pro 1206 – DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. 600" Valves (Hydraulic Roller) SKU 12987-02. 02 straight plug Cam and lifters hydraulic non roller lunati timing set double roller pushrods lunati head bolts holley street dominator intake this is a complete kit from holley MOPAR SMALL BLOCK W9 ALUMINUM CYLINDER HEAD SET Reg. Some say they are 64 cc chambers, others say they are 76 cc chambers, some say they have 1. All of these can be built to run very strong. Every step of the small-block Chevy’s performance history has originated out of production parts. 94's « Reply #7 on: January 25, 2010, 02:08:16 AM » Photo below is a 461 chamber with factory 2. 23° Small Block Chevrolet Cylinder Heads Rev. The small block was introduced in 1955 with 265cid. Answer ID 633 | Published 10/04/2001 08:08 PM | Updated 12/18/2018 07:58 AM Chevy – Dohc – Ecotec – with or w/o cam driven power steering pump – W/EGR on back of head: 304/557: CH30317: $395. Deck AFR 195cc SBC Street Cylinder Head . 0 scat rods with arp 2000 cap screws. lbs. Enforcer As Cast; SBC Eliminator - 23° Cylinder Head; SBF Renegade - 20° Cylinder Head; LS1 Mongoose - 15° Cylinder Head; LS3 Mongoose - 12° Cylinder Head; BBF Bullitt - 14° Cylinder Head; BBC Magnum - 24° Cylinder Head; BBC Magnum - 18º Cylinder Head; Manifolds. 600 Exhaust Valves, Assembled Heads, . There remains a considerable market for SBC iron heads. i. Contact Us Vintage restored Chevy cars for sale; classic Chevy car parts for 1937-1972 Bel Air, Biscayne, Camaro, Caprice, Chevelle, Chevy 150 & 210, Impala, Malibu, Monte Carlo, & Nova Chevrolet models; 1978-1987 El Camino & Malibu parts; used & NOS classic Chevy auto parts & accessories; vintage Chevrolet project cars Standard 1980-1985 SBC oil pan can be used. 7 head . 218. A BARE set of Chevy Open Chamber heads – 441, 487 or 993 – with “CNC-UnderCover Porting” which includes our CNC-UnderCover Machining, modifications to the intake ports, exhaust ports, chamber modifications, all the cover-up work, installing and sizing new bronze valve guide liners, machining the valve seats for your size valves and providing air flow numbers for your camshaft selection. 875-inch bore brought the "Mighty Mouse" up to 283 cubic Well, there's good news and a little bad news about these heads! The Good News; Chevy used these heads from 1976 to 1987 on 350 cid engines. 600" lift. 080"/1. Warren, MI 48091. 60" exhaust valve. For 1987-95 stock aluminum heads use #2101. 2-2. Cylinder Head (oiled) 7/16"-14 60 ft. 6 sbc heads. ASCS / SUPR Series Cylinder Heads To Fit Chevy – Ford – Mopar; V6 Chevrolet Compatible Heads. ARP #135-3703 12pt. We offer their entire line of muscle car restoration, stock rebuild, high performance and racing parts for the small block engines from Mopar Performance. of torque. 1. 94 intake valve. Wish List Compare. ProMaxx Maxx Series Chevrolet Small Block Aluminum Heads Made right here in the U. The L29 heads on the Gen VI engines are pretty good and supposedly work on the Mark IV engines. what is the difference between these two and which are correct. lbs. 90° V6 Series Cylinder Head, Pro 1, Aluminum, Bare, 18 Degree, 66cc Chamber, 245cc Intake Runner, Chevrolet, Small Block, Each. 35 ft. those are the 200runner heads, but the exhaust runners are 185s, not 180s like i said befor, there are better heads out there but i think you already know that and just so you know summit has a set of 2. Chevy performance parts, Accessories, and crate engines for sale. Chevy's subcompact hatchback is one of the cheapest new cars on sale, but its Find official Chevrolet licensed merchandise, Chevrolet apparel, Chevy collectibles, accessories & more at ChevyMall! Shop the largest collection of Chevy accessories here. Thanks for all your research and posting this. These heads have rectangular intake ports, round exhaust ports, and open combustion chambers. 000 in. The car was on blocks and full of boxes. forged 4. These heads use center bolt valve covers and pre-'87 style intake manifolds. 35 HP/CI 521HP 496ci BBC 781 RPM AG 91 octane - 1. More compression, more cam timing, improvements to the rotating assembly, and a pair of free-breathing aluminum heads were the main components comprising the first-year L88, which, despite the aforementioned enhancements, only netted a (laughable) 5 horsepower gain over the L72 engine. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. sbc chevy pro street hydraulic roller cam 434 cubic inch engine 670hp street rod setup. Utilizing innovative design features, modern engineering methods and precision CNC-machining, Pro Elite™ Cylinder Heads are second-to-none. sbc 041x heads info