Sbc heads 3986339x A very popular NHRA stocker combo. Vortec heads don't have center bolt holes, they only use the bolts on either side of the coolant passages. I've never been a fan of angle milling. 484 posts · Joined 2008 Add to quote; Only show this user #1 · Feb 15, 2009. BES Racing Engines - BES / Brodix BD2000 Heads. Must run factory-style stamped steel rocker arms. Ended up with AFR195s on my 383. CID. See AFR-272 After PAC makes some really nice beehive springs that fit the SBC heads I have used them on LS heads also and used them on Roller hydraulic, flat tappet hydraulic and solid flat I think you're confusing port size and CFM ratings. 500" as a 151cc smog head. and not every small valve small block head is junk- the 305 HO heads that end with the numbers 416 flow pretty well for stock heads and the small chambers will bump a 350 with dish pistons up to a respectable compression ratio in the 9. Free Shipping - AFR 195cc SBC Enforcer Cylinder Heads with qualifying orders of $109. 1. 33 gears 4 wheel Disc brakes E85. 18 watchers. 155” bore Intake a bare pair of the $979 SBC heads would be $729 US dollars retail. 2 head. 0 Series/20° Track 1 Ford Compatible Series/20° Mopar Compatible Heads Menu Toggle. $225. Straub Cams I'm from the buy the best heads you can afford camp. 9K views 20 replies 12 participants last post by 68maliblue68 Oct 2, 2024. Casting Number. 50 576/600 lift with 1. This sale is for one fully assembled set of heads (2 heads). Casting number is 191 or 193 on these heads. (casting 3986339) They're supposed to be 74cc, and my machinist was like, 'whoa, these are (1) Chevy 350 Cylinder Head Cast Number 3986339. New Products; • Head Gaskets: 350 – FEL-PRO 1003, COMETIC C5399 400 – FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: Spread Port – BRODIX MG 52464, COMETIC C5424 • Head Studs: ARP 234-4312 (12 pt) • Accessory Bolt Holes Are Drilled: The only ones I ever saw were angle plug - the 492 head was available in straight or angle plug. Only 4 left in stock - order soon. in North Tonawanda, NY. This deal from the DNA Motoring brand has taken quality into consideration and presented a premium aluminum cylinder head to you. It rarely makes sense to use old obsolete heads, or to recondition old heads. Different chamber volumes, port volumes, port locations, valve sizes, etc. If the copper ring or flattened ring gasket would seal as well (no power adders; 11-1) I'd rather use it if it didn't indent the heads. Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. One set went on a 388 stroker I built for the father-in-law All SBC gen I and Gen II heads will bolt onto the block. 50" or 2. I like the idea of the wire ring gaskets, but wonder AFR Enforcer Cylinder Heads 200cc/65cc Straight Plug For SBC Chevy 327, 350 & 383 w/ hydraulic roller cams up to . THIS IS FOR A PAIR OF CYLINDER HEADS. All i know about the offered set of heads is that they are maybe '75 or '76 sbc heads. Roller These are the same heads as the high performance ones offered that same year. Order high-performance cylinder heads online today. The use of a 1004 fel-pro left a minor indentation in the head after removal. Can you guys (who are so the vortec heads will have casting numbers that end in 906 or 062. therocketshop. 47 $ 2,509. Message. Years. P65Warnings. They are among the best of the open chamber heads in terms of airflow, but flow numbers alone won't equate to big horsepower numbers. The new Dragon Slayer 225 comes standard with CNC ported 68 Cylinder Head, SHP SBC 200/72 2. The 882 head is a 151 cc intake runner, so basically they are comparing a World products head to a small port smog head from the 70s. 10065202. 50) these are highly sought after and would give you a small performance boost over your 624 or 882 heads. 6 roller rockers . Good Idea? The heads have the SBC. 750 stroke crank(20 main/30 rod main, and 991 open chamber heads. BES/Dart 230cc 23 deg. They're fully assembled with valve springs, retaine 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls parts sbc 339x heads - Car Engines & Engine Parts - Indianapolis, Indiana | Facebook Marketplace sbc heads _m&m revolution 1 billet revolution 2 casting _afr 230cc 23° afr 245cc 23° afr _brodix _dart _edelbrock 23 degree r. 43% selected Replacement for Chevy Small Block SBC 200Cc, 14. Jump to cylinder heads. (Image/Jeff Smith) Gen. "Main Caps" is the number of bolts holding the cap. 55% selected Racing Head Service 11011, 19. Kit Includes: (2) Flo-Tek 102505 Assembled S/B Chevy Aluminum Heads, Straight Plug (2) DNA Motoring aluminum SBC heads. The center bolt non-vortec heads(87-96) use a slightly different intake manifold. Post by SlowMalibu » Sun Mar 17, 2024 3:48 am. 94 Heads, i am hoping to make 350-375HP with them. Delivering to Nashville 37217 Update location I think you're confusing port size and CFM ratings. 72 1. The Gen I SBC engines were designed with economy in mind. Contact after 9am and before 8pm Ask for Brian (716) 694 - zero SBC Chevy Cylinder Heads. Shot blasted, hot tanked & magna fluxed. 6 valves 3986339X 307, 350, 75cc 3991492 350 LT1, 70, 64cc, straight plug, camel hump The engine is the stock numbers matching 350cu 165hp 2bbl (RPO L65). 60" exhaust valves. Main Menu. 67 out of 5 stars. 00 CC Port, 76. 82-86. I'm Ok, thinking i may just do a home port job and use the stock 882 heads that came on this 350. While in a 350ish engine these work well with a flattop piston, I’m at the preferred use of a tight chamber and a D dish piston. BES / TFS SBC 18° Heads. SchmidtMotorWorks I have an iron Motown 400 SBC with AFR heads. 0 out of 5 stars. As a result, they have a limited following. I Specifics and Features: High grade aluminum, bronze valve guides, hardened seats, advance port design for greater air flowPerfect fits for SBC engines such as 302, 327, 350, 383 and 400 small block chevy engines up to 1986This head is 200cc intake runner with a 64cc combustion chamber, 64cc combustion chambers improve performance and retains stock compression on The Easiest Way to Bolt On 30-70HP! Continuosly improved since it's 1987 introduction, the Sportsman II is still the industry's most popular cast iron high performance head. Summit Racing carries a variety of high-performance Profiler heads, intake A good performance head (I have read). BES Racing Engines - You can get 220 CFM out of them without too much work and they will make a good cheap set of heads. However I decided to disassemble the heads to do some porting and polishing. Semi custom SBC cams based on stroke and heads used. the engine is a 350 Steel crank, 4 bolt main, 9. Some time ago Chevy High Performance magazine did a Mr Goodwrench 350 build up from stone stock to screaming wild in itty bitty steps see the included URLs. CREngines Guru Posts: Description: AFR's LT1/LT4 heads are designed for the Gen II reverse cooled SBC engine from 1992-1996. 5:1 to 10:1 range, which is doable on pump gas as long as the cam Gen I Cylinder Heads. The heads were cast in 10/69, and if they can be rebuilt I'd like them to be. 2 sb2. Adding performance SBC cylinder heads is one of the greatest ways to improve your small block Chevy engine. If you have some information you want to share with us and our visitors, stop by the Forum and leave us a post! Right now we are limiting the 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls SBC Heads. They are more preferred over the 882 head due to their heavier casting. I have this SBC sitting in the shop decided to rebuild it. were used. 1loud71 Discussion starter. $175 · In stock. Economical use of material and space were proven to also help streamline the production process. The stock iron heads have been ported and flow EXhaust 51, 96, 137, 155, 164, 169 Intake 62, 134, 189, 224, 232, 236 chambers 65cc, RPM 7116 Performer duel intake and Holley Sniper EFI . I don't know about you, but I find that pretty interesting. These seems to the way M&M Competition Race Engines Brand New Revolution Billet Aluminum SBC Racing Heads. sbc cylinder heads #492. But those AFR's or any head doing 320+ cfm at . Head originally came with: - 2" stainless valves, 4. Trick What u think of 3998993 sbc heads. Sold out This item is a recurring or deferred purchase. Now, Dart gives you the next generation Iron Eagle known as the Platimum Series. Learn More. Chevrolet Small Block Casting Numbers. 08/1. A "two-bolt" main, or a four-bolt main. 68 Adding performance SBC cylinder heads is one of the greatest ways to improve your small block Chevy engine. They yield average flow numbers, but respond to modifications just like any other small block head. 13-18 degree wedge sb2. Paul "It's a fine line between clever and stupid. 911" long, 0. com FREE DELIVERY possible on eligible purchases. 480/. ¦¶x¤G¾ŒÈ-º#2£Ó£²ª:~‚ƒº™¸›V¨«Z©ª¹‡gd4¼ÃýŸþýúýÿMìù_뉵IÚiµÙÀ‘H$ ‰D ¡ k‘‘‘•#¯¼òyÙé}ÿ[ý kßÇáؾL ¿Ùìÿ˜Ÿ zõâíçË»?oßAŸvöüçŸ^õigÁj·]dè²óŸ_õ¨»óŸ^í0ih{ "¦E6¦ ©3˜ ÿ ðj‡IƒÓ;\d{ƒ‡Á‡”Aë]B— ÙÁt©_t¸7-’ƒéRŸƒq& mIlµÅ G7ý­Ö¸ h Ù For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, SBC studs are available in a ton of different styles depending on heads and stud diameters. If you drill them for a standard bolt pattern most traditional SBC intakes will not seal the tops of the taller vortec ports well I don't think angle milling . Post by Kcryder1069 » Wed Mar 09, 2016 5:07 am. ones have 2. " David St. While creating the 100% CNC Ported MAXX series, Many long hours on the flow bench were invested for one of the best flowing out-of-the-box cylinder heads available at the best price. The head numbers are 3986339X. 23 posts 1; 2; Next; OK, I'm Wondering what the majority feel is the best 5/4/2017 H64 Dart Platinum 245 CNC SBC 23 °°°° Aluminum Cylinder Head Part# 11980060P – 11981163P Material: RMR Cast Aluminum Alloy Comb Chambers: 66cc for 4. The numbers I read off the heads were the following: 8998998 R133 Searching for the 8998998 casting number 10% More Air Flow Than The Original Iron Eagle Heads! In 1997, Dart revolutionized the small block cast iron cylinder heads market with the release of the Iron Eagle. ride N/A. Look at the whole number on the 441's. They were 462624's and a local junkyard that rebuilds heads has a set of rebuilt 333882's for $275. 92 Add to Cart. heads, there you will find something on both your heads. Many classes of dirt track racing are restricted to these large chamber heads and the racers are looking for this casting number specifically. Wishlist $3,580. com - Hot Rods - Musclecars - Project Cars - Farm Trucks The three oval-shaped heads in this arsenal include a 229 cc intake port flowing 325 cfm, a 225 cc raised intake port flowing over 335 cfm, and a 234 cc raised intake port flowing over 345 cfm. I think there are better ways of gaining compression and improving the valve angle without filling and re-drilling the spark plug cooling holes, spot facing the bolt holes, correcting the intake manifold mating surface angle, etc. 98 1968-76 Small Block Chevy SBC 307 350 Heads 3986388 Stock Heads to Rebuild Date J-6-2 Shipping will be a flat rate within the continental USA, International is available. howard7539 (7,250) 99. 5 1968-73 3973487 350 2. This is the aluminum TPI Corvette head from the late 1980s that uses the standard SBC intake manifold bolt pattern, but with the centerbolt valve cover arrangement. E. Incredible flow and performance for all racing and motorsports competition, See all our Racing Cylinder Heads. spook498 In my opinion the power pack heads can be made to work but you could build 3 sets of 461s for the money you'll drop into a set of PPs. bIf your head swap is aluminum for iron you need to be forewarned that most aluminum heads raise the valve train . Cylinder Heads; GM; SBC; SBC. Ask any Stock or Super Stock guy about out of the box heads and see if they run'em that way, I bet not. Spring Options: Combustion Chamber Size: Plug Option: Valve Option: Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. Wishlist $2,300. This block number has been used in many different versions of this 10134363NOTE: This casting # has been used in many different versions of this aluminum 18' and 15' Bowtie race head. Must have a cranking compression no higher than 150. I know there's aftermarket blocks and the pontiac sd blocks but they aren't in the budget. 650 and you probably will be happier. AFR 195cc SBC Enforcer Cylinder Heads 1006 Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Angle Plug, Chevrolet, Small Block, Each. 5K views 9 replies 5 participants last post by 1986chevrolet260cam Oct 24, 2014. 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, The ID tag on the valve cover says 1971 engine group 113 the #s are 3986339X the only thing I can find is that they are 74cc chambers. I have acquired a different set of heads, because the price was right, and am wondering if I should go with the 293 heads or the 896 heads. Chevrolet Head Casting Number Reference Small Blocks 330545 350, 73, Corvette, 76cc, 2. Share. The heads are (3991492) I wanna stick them on my 84 (305) chevy motor. the water goes from the heads then through the block) so those aren't what you want to use. 33 - $2909. They’re often equipped with valve seats and valves designed to manage Pro-Filer Performance Products makes state-of-the-art performance parts for both race cars and street machines. Warning: Cancer and Reproductive Harm - www I was wondering what head would you prefer for a sbc tt build. 700″ lift. Find CHEVROLET 5. 6 SBC CHEVY 327 350, 355 383, 400, 406, 421 ENGINES. Caveat: It should be noted that many of the casting numbers are not 100% verified and a second source is not always available so these should not be taken at face value. They could have come with either 1. The other pair are 993's "Hecho en Mexico" I guess I didn't know 993's were also made south of the border. If you are a Dart guy, or a Dart head shop, build a engine with the SHP 200 heads and tell us how they work for you. 2 , 18* or 15* racing heads. Products Menu Toggle. For cheap performance 993,441,487 are all good mild performance large chamber heads. FT - 65cc Str Plug 272 $1,229. Fitting the RPM Air Gap to these RHS heads was something I never investigated fully in the past. 200cc RUNNERS, 64cc COMBUSTION CHAMBERS. 3986339X 307, 350, 75cc 3991492 350 LT1, 70, 64cc, straight plug, camel hump 3991492 Over counter, strt or angle plug, 64cc, 157/62cc ports 3998916 350 LT1, 76cc, screw in studs, big valves? Race head, angle plug, 62cc, 196cc intake port, 23º, 2. ProMaxx Performance 190cc Aluminum Cylinder Heads Small Block Chevy [Hydraulic Roller, 64cc Chamber] $1,280. Quantity (0 in cart) Decrease quantity for 195cc All American Aluminum 23° SBC Racing Heads, Assembled, Angle Plug, Each Increase quantity for 195cc All American Aluminum 23° SBC The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. EQ assembled heads include: 100% New OE type valves, seals, valve springs, and retainers (OHC assemblies do not include cam & lifters) All EQ cylinder heads Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. Aluminum SBC Heads # 10088113 vette. Summit Racing SpeedCard - learn how to get 15% back up to $150. The LT1 and 4 heads are set up for reverse coolant flow(i. I’m not looking get radical just have fun at car show and cruise. The non ported 906's ran mid-11's on my flat top piston 406 and low 12's on a dished piston 400 this year. 420" lift, then Im sure these sure the hell wont allow more then the Vortec heads. They are heavy castings too, and are not crack prone. Most of those china heads come with worn out guides to begin with, lol. MSRP: $ 1,027. It is usually found on the top of the head in between two valves and the rocker arm studs. These have good . SBC Intake to Head Fitment. It is usually found on the top of the head in between two valves and the rocker arm Chevy cylinder heads, 333882 complete $100. Jump to Latest OK, so I just found out from the machine shop that my heads are both cracked. us. 437" Dual Springs for Hydraulic Roller. gov. Find CHEVROLET Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. Hobbies › Car Engines SBC SB Chevrolet 350 IMCA Assembled Heads 1969 – 1985 - Part #EQ-CH350AA. Buy It Now +$165. 18 degree SBC heads are a newer design that offers several benefits over the older 23 degree design. PC3002S/AC FF281. ca. Maybe it is worth getting a second opinion. Regular price $ 1,079. The casting number is 3986339X, which is apparently from a 307/350 motor from the early 70's and has larger SBC Brodix track 1 2. Estimated Ship Date: Today. e. These are Vortec patterned ports and so is the manifold. Brian SBC Power Pack head info? Discussion in 'The Hokey Ass Message Board' started by spook498, Sep 26, 2009. Specifics and Features: High grade aluminum, bronze valve guides, hardened seats, advance port design for greater air flowPerfect fits for SBC engines such as 302, 327, 350, 383 and 400 small block chevy engines up to 1986This head is «ÿÿ¨ªªªþï P‡»¤uU„{§©º. com Discussion starter. Comments. Heads have the center bolt through valve cover. They may already have the hardened seats, but I Be the first towrite a review. Sale! Iron Eagle S/S Chevrolet Small Block Head – 165. 11% selected Edelbrock 5089 Cylinder Head and 6. 2 cylinder head kits _profiler _rhs _world products iron replacement _porting DEMOTOR PERFORMANCE A Pair Aluminum Bare Cylinder Head For Chevy SBC Small Block Chevy 283 350 383 400 Angle Plug 205cc Intake 64cc Chamber. See listings near me. The name “18 degree” refers to the angle between the intake and exhaust valves in the cylinder head, which is more upright than the 23 degree angle of traditional heads. Heads are 3998991's This Cylinder Heads (199) Valves (109) Head Gaskets (43) Valve Seats (41) Valve Guides (28) Engine Gasket Sets (17) Cylinder Head Fasteners (16) Engine Valve Stem Oil Seals (12) Coolant Crossover Components (10) Engine Coolant Crossovers (6) Cylinder Head Replacement Components (3) Cylinder Head Bushing Kits (2) Show All. 60911 posts · Find Parts and Accessories sbc vortec heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard Cylinder Heads, Aluminum, Bare, 65cc Sealing SBC Head Bolts. cgarb Guru Posts: 2042 Joined: Wed Jul 09 Info on GM heads #93417369 Jump to Latest 17K views 2 replies 2 participants last post by goatjj Mar 21, 2002 Buy DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head Compatible with SBC 302/327/350/383/400: Cylinder Heads - Amazon. Both as I recall are pretty good stock heads. Can I plug the existing head bolt holes and redrill new ones. However, there are a ton of SBC aluminum heads capable of making big power. Please jump in and address the concerns of the heads. Find cast numbers. Sort by See all Aluminum Cylinder Heads. Free Shipping - Summit Racing™ Cast Iron Cylinder Heads for Small Chevy with qualifying orders of $109. This head will support big power at a price that can’t be beat. They are beefy for porting, but they flow almost identically below . Description Professionally rebuilt pair of Small Block Chevrolet cylinder heads. 94/1. Get Results; Brand. 00 Estimated to ship direct from manufacturer on 12/19/24, pending manufacturer availability. The 416 casting 305 heads w/ 1. Head has been cleaned, pressure tested to ensure good casting, resurfaced, valve seats and OEM valves cut to match and seal, and new 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls This block number has been used in many different versions of this aluminum 18 deg and 15 deg Bowtie race head. 60" valves, had 64CC combustion chambers, DO NOT have accessory holes, intake port volume should be 161CC's, exhaust port volume should be 65CC's. Skip to content. If you try and fix up the old heads, you'll probably make 100 hp less then with the AFR heads. The 492 was the over the counter replacement for the "camel hump" heads. I'm the second owner of (1) Chevy 350 Cylinder Head Cast Number 3986339. Quantity (0 in cart) Decrease quantity for 195cc All American Aluminum 23° SBC Racing Heads, Assembled, Angle Plug, Each Increase quantity for 195cc All American Aluminum 23° SBC Racing Heads, Assembled, Angle Plug, Each. 400lb N/A for an SBC does take some effort, but it's not hard to do. They had 1. And if jsut 400 horsepower is the goal I can do that for a lot less money. Cylinder Heads (199) Valves (109) Head Gaskets (43) Valve Seats (41) Valve Guides (28) Engine Gasket Sets (17) Cylinder Head Fasteners (16) Engine Valve Stem Oil Seals (12) Coolant My 624 casting heads did not have a funky exhaust port at all. In 75, GM began to cut corners in head castings. Dished pistons with the valve relieves. AFR 23* 230CC. SBC 350 Chevy Heads - Car Engines & Economical out-of-the-box horsepower is what comes to mind with this new series of Dragon Slayer heads from BRODIX. They dont have any cracks and IMHO, should be good to go EXCEPT for one thing. 50 Valves Steam Holes. My cam is . One pair are 882's with race springs (don't know the specs yet). I am not sold on the SBC SHP heads. If I was going to use a Dart cylinder head I would us the premium PRO 1 line. 3986339X complete $100. 220CC SBC RACE CYLINDER HEAD prev next 220CC SBC RACE CYLINDER HEAD Love it Compare. 94 1. As far as flow, they were some of the best flowing large chamber heads. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. DEMOTOR PERFORMANCE A Pair Aluminum Bare Cylinder Head For Chevy SBC Small Block Chevy 283 350 383 400 Angle Plug 205cc Intake 64cc Chamber. Every month we analyze your answers and change our rating. 423-391-7774; 198B Industrial Park Road, Suite B, Piney Flats, TN 37686 Dart didn't change the VJ for the NEW head it seems and I wouldn't put anymore money than needed into the Old castings since other heads(new SHP & other brands) are already better out of the box. 96% selected DNA Motoring LEPOW-038. The Maxx 225cc SBC head is our largest “as cast” head in our line up, flowing close to 300 cfm @ . Just curious as to what everyone's thought was on what cylinder heads and cams I should run on my 400sbc? Both the AFR heads mentioned are very good. They could be used on any SBC block from 1955 through the end of the Vortec engine production because the mounting holes lined up properly and the water passages were the same as the cylinder heads from the past 40 years. BES / BRODIX 15 DEG GEN 2. Jump to Latest 23K views 29 replies 14 participants last post by 55 Rescue Dog Mar 18, 2016. I like the idea of the wire ring gaskets, but wonder if it's necessary. You'll end up wasting $1000 before you're done and still be down 100 hp. 3/8 mile dirt track. Made from the highest grade cast iron. Hobbies › Car Engines & Parts. GM cars must utilize 76cc heads (approved head numbers are 336, 339, 388, 441, 454, 487, 624, 813, 882, 991 and 993). 600-. I would like to run a brodix (or similar) head on a 1982 pontiac 151" iron duke block. We proudly carry powerful small block, big block and aluminum cylinder heads that will raise horsepower and help optimize your engine's performance. 5. Breathe new life into your small block Chevy with a set of FloTek aluminum cylinder heads from Speedway Motors. This is the block that has the sbc transmission bolt pattern. If you're looking for a budget-conscious, yet proven, cylinder head for bolt-on performance gains, check out these completely assembled cylinder heads from FloTek. 00 CC Chamber. $419. What would be the pros and cons of the heads. 76cc. These heads are very similar to the 441 and 493 400 small block head. Head has been cleaned, pressure tested to ensure good casting, resurfaced, valve seats and OEM valves cut to match and seal, and new Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. 10-1. All guide & seat work done, Ready to bolt on. 00. It is usually found on the top of the head in between two valves and the rocker arm 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls 3986339x casting 1971 307/350 heads. I have been looking at the bd2000 or the sb2. 625 valve 10045434 Pontiac Alm. 40 posts · Joined 2014 Add to quote; Only show this user #1 · Oct 19, 2014. II LT1 SBC Cylinder Heads I’m looking to upgrade the cam in my stock L31 vortec SBC. Vehicle/Engine Search Vehicle/Engine Less weight, More power 18 X Series 18° Aluminum Cylinder Heads The X head is the best of both worlds: 18° horsepower, no expensive shaft mount rockers or offset lifters required. blogspot. Valves. Now, when using a Dart and others offer race-style heads with shallower valve angles that unshroud the valves and aid in power production. This listing is far from your sbc 339x heads. Are these a decent head (they have been milled twice!) L. Chinese sbc head bare. Remember that higher compression/ boost require a colder heat range sparkplug. Most aftermarket heads are flowing over 250 CFM on the intake runner side (with a 23 degree SBC head that is) with Same with SBC Gen I heads and SBF heads. 10065203 42. Post by cv67 » Thu May 16, 2019 9:34 pm. Flow Numbers Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage. . They probably need attention and some love before putting back I have a set of 3986339x small This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie race head. BES/ALLPRO 23* 287 HI PORT. I have a chance to purchase a set of 993 heads. eatonde Discussion starter. com. 462624 400 $ 75. The engine in my car has 3986339X heads. Go to the knowledge base, click on ,Engines then,Engine articles, then Heads, go to #4 sbc cyc. 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls parts · This listing is far from your current location. Round push rod holes. Universal, Intake Runner 178cc, Combustion Chamber 76cc ASSEMBLED. 84 intakes are better heads for performance and can be had for dirt. DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head; The engine of your car ought to be maintained in a super healthy status for optimal performance. 6 valves , screwin studs and guideplates ,bigger spring pockets,downcut guides ,it would be smart to open up the pushrod holes, and THEN THE 30HRS OF PORT AND BOWL WORK!! Those heads were used with the target crate engines, and are one of the better (heavy weight) heads chevy made in the 75-76 cc range. They had only ONE exhaust crossover passage and there was more metal around the lower head bolt bosses 3951598, 3973493, 3998997. C3 Tech/Performance - 1972 SBC Cylinder Head Identification - Took the valve covers off last night to get an idea of what I'm working with while I start putting together the plan for rebuilding my stock 350. I'm worried about enough deck thickness to drill for the new pattern. Hi guys new to the whole building thing from scratch. Chevrolet SBC 624 Heads. Must run flat top or dish pistons. The 292 was indeed the "turbo" head. Small Block Fits Chevy Mock-Up I want to find the specs for these heads because I'm putting them on a 305 SBC Block and was wondering the difference in specifications. FREE delivery Mon, May 20 . Need some insight from you SBC motor guys. The casting dates are correct for my motor. the water goes from the heads then through the block) so Here is my build : sbc 383 stroker 4. There are some factory Chevy heads that work really well, and these heads I have a set of 3986339x small block Chevy heads for sale. Heads fit 1987 - 1995 only, TPI and TBI intakes. Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest. 02 1. Whether it's circle track, drag racing or street performance the ProFiler All American Series SBC cylinder heads are the solution for your big horsepower needs. Top. The engine was installed as a long block sometime in the late 80's or early 90's. Top End Combos; LS Compatible Heads Menu Toggle. P. -NEW AFR 195 cc Shop the Best available ProMaxx Project X Series Small Block Chevy Aluminum Cylinder Heads parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. 3932441 Bare $ 75. Only difference I can find is the cc I believe the 293 are 75 cc and the 896 are 60 cc. Four bolt main blocks are desirable in high I have an iron Motown 400 SBC with AFR heads. There are some factory Chevy heads that work really well, and these heads can be retrofitted to an older small block Chevy to improve power. Top in the 23° class, these heads come standard with all the finest qualities BRODIX has to offer: the toughest castings in the business, ductile iron valve seats, phosphorous bronze valve sbc heads It's me again. Seen some for 399 on ebay but know I can get them but will have to put together a junk SBC some time soon and it sounds like that would fit the bill. Available AFR Enforcer 200cc heads SBC Hyd. $2300. years ago chevy made almost exclusively, just standard strait plug head designs, as technology improved, it was found that getting the spark plug as close as you can to both the combustion chamber center and the exhaust valve helped power, as the technology advanced the later design strait plug heads also had the plug location moved, so the original advantage polishing is not allowed. These heads are available in straight or angle plug style, with and without steam holes. THE BEST FLOWING, BEST QUALITY SBC ALUMINUM HEADS ON THE MARKET FOR THE MONEY. BR 7™ LS7 Compatible Series Cylinder Heads/12 • Head Gaskets: 350 – FEL-PRO 1003, COMETIC C5399 400 – FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: Spread Port-BRODIX MG 52464, COMETIC I have a set of Chevy heads with a casting number of 333882, with 1. I am considering refreshing a set of GMPP Aluminum Fastburn Vortec Heads with new valves. Any info would be appreciated. 190cc Aluminum Cylinder Heads; Small SBC Valves - GMPP Vortec Heads. 72 Intake 1. Which engines were these heads used on? This is the only information I was able to find. Shop Cylinder Heads at Summit Racing. 94 intake valves. It is a 3970010 4 bolt main 350. Good The features for the IK® series small block aluminum cylinder heads include a revolutionary ultra casting, versatile 180 cc, 200 cc, or 210 cc intake ports. I have the rockers and nuts to go with it. Even if I put a very mild cam in that 406 engine with an LCA of 112° or higher the engine would still scream with those The heads will need 2. 245CC SBC RACE CYLINDER HEAD prev next 245CC SBC RACE CYLINDER HEAD Love it Compare. New Products; Cylinder Heads Menu Toggle. 550 lift springs that will work on my kids spare SBC for his dirt mod. The 462 is one of the best flowing production SBC heads. That is when I noticed that even though both heads ARE for a 400 (the steam holes are there) the casting numbers are different. 69 posts · Joined 2024 Add to quote; Only show this user #1 · Aug 16, 2024. The competition package heads flow more air through the same size ports as the High-performance SBC heads usually come with larger intake runners and better-flowing exhaust ports. I'm the second owner of this car and bought it as a low milage (67,000 miler) in 1997. An old set of Camel Humps and just about every single smog era head will be lucky to flow 220 CFM on the intake side. pdq67 Guru Posts: 9841 Joined: Fri Mar 05, 2010 1:05 am That's the better of the import head castings, known by Whatever happened to Trick Flow's Twisted Wedge Heads for SBC's?? They seemed like a really great idea. 25 SOLD AS A PAIR. 350. Opens in a new window or tab. BR 7™ LS7 Compatible Series Cylinder Heads/12 • Head Gaskets: 350 – FEL-PRO 1003, COMETIC C5399 400 – FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: Standard-FEL-PRO 1406, COMETIC C5415 The L31 Vortec cylinder heads represented a major design change in Gen I SBC heads. 02/1. 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. Yes they are all roller cams but you can get the idea that slightly different cams work best with different heads and strokes. Some People do only 1 or 2 steps to reach the final torque. 50 Exhaust Came off a Corvette. Find many great new & used options and get the best deals for Chevy V8 OE GM Cylinder Head 3986339X at the best online prices at eBay! Free shipping for many products! Resurfaced heads. 7L/350 Chevy small block Gen I Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase EverRe: 441 sbc heads Everything Bill said is true. Cylinder Head, SHP SBC 200/72 2. 1971-75: 330545 307,350 1. 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 Must run factory cylinder heads (no aftermarket race heads allowed). 1001/2 195cc Aluminum SBC Street Cylinder Heads; Part # Plug Type: Combustion Chamber: 1031: GM LT1: 65cc: 1032: GM LT1: 54cc: Recommended Components: Intake Gasket: GM #12524653 LT1 or Fel-Pro #1284. The difference is the high po. Featuring Quantity (0 in cart) Decrease quantity for 210cc All American Aluminum 23° SBC Racing Heads, Assembled, Straight Plug, Each Increase quantity for 210cc All American Aluminum 23° SBC - 355 SBC roller block, factory rotating assembly - World Products Sportsman II heads - World Products Dart II intake (supposed to be similar to Air-Gap) - LT4 Hot Cam (LT4 Best & Worst SBC Heads. Not for use with non-roller cams. Seller says they are in good shape and he can install screw in studs/guide plates,for a price. Dart’s latest 9-degree SBC race casting is sold un-finished for head porters and engine builders to port to their needs. 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls parts · Log In. Most cylinder head makers are offering their castings in raw or semi-finished forms. The reason is because Pre-75 heads were the "heaviest". Find CHEVROLET I just got a old 350 chevy motor with casting number (3900010). Pops @ Tri-5. x 750" reach, 5/8 hex, gasket seat sparkplugs like NGK R5671A-7, Autolite 3924, Champion RC12YC, etc. CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Moderator: Team. Shop our entire collection of professional-grade cylinder heads today at For aluminum at least for the first time you need to use bolts designed for aluminum heads. Cam had one rounded off lobe and the lifter that ran on that lobe was concaved. Jump to Latest 45K views 7 replies 4 participants last post by BogiesAnnex1 Feb 16, 2009. This is a GM 1970-87 SBC Head That has had a professional Valve job done on it and is ready to install. I see the major problem as being the but-plug header you have. You can get them for around $1,500 with free shipping on ebay. 3. 02" intake/1. Most aftermarket heads are flowing over 250 CFM on the intake runner side (with a 23 degree SBC head that is) with some well into the 300's. What I have is an 350(010) block, 4340 used 3. Hey guys I was wanting to see if any of you have used Another problem I may have, which someone on the HAMB brought up, is that there are later model heads on this engine. No returns, but backed by eBay Money back guarantee. 1968-72 3973487 350 1. 23 hours ago. 50. Cylinder Head ID. All the machining has been done, etc, etc. The Word of God is quick and powerfull www. I have ported 2 sets of those 624 heads and they did well. Small Block Casting numbers . They are the aftermarket's only 50 The engine is the stock numbers matching 350cu 165hp 2bbl (RPO L65). 480 lift with 230/230 Duration at 0. 5:1 compression ratio with these heads, comp cams . For a guy like me who is trying to find a way to get a shallow valve angle head on LTx block and still retain a conventional valvetrain and conventional SBC headers without resorting to SB2. Featuring RightCast 200cc intake runners, Fast-Burn chambers and your choice of angled or straight plugs, they're good for 30-70 HP increases right out of the box. Only 4 left in stock - All SBC gen I and Gen II heads will bolt onto the block. These heads were used on just about every small block race engine from the 70s to the mid 80s. 600" lift. 50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 series mufflers PROCOMP SBC 190/64CC COMPLETE ALUMINUM HEADS WITH STUDS & GUIDE PLATES. Part Number: DRT-126422. 50" valves, 64CC combustion chambers, DO NOT have Eliminator Comp Aluminum Cylinder Head SBC 2 pc P/N 1065. 33 SOLD AS A PAIR. I consider these SB400 heads to be junk. 1 inch longer pushrod and aluminum heads must use a hardened washer between the soft aluminum and the hard steel boot head. Use these casting numbers to identify the heads you have. I'm running Vortec cast iron heads with bee hive springs on top of 400 SBC head selection. 437, 1. Thanks for looking and have a nice day!! 55 This head is perfect for 3. It The Easiest Way to Bolt On 30-70HP! Continuosly improved since it's 1987 introduction, the Sportsman II is still the industry's most popular cast iron high performance head. YOU WILL NEED TO LET US KNOW IF YOU NEED THE I bought two pairs of SBC core heads last week. If you have the 487x heads I think I would choose them. Does anyone know how The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. Save. Just lowend torque heads for a work truck. 95% of users selected DNA Motoring CYLH-SBC-350, 16. Joined: Sep 26, 2009 Posts: 188. But compared to aftermarket heads today it's 1980RS wrote: ↑ Wed Jul 14, 2021 3:00 am I ran factory 062 mild ported Vortec's with a smallish hyd cam last year and it was a 10 sec. 875” and 4” stroke SBC engine combinations and for the customer that wants a 650HP+ small block Chevy! These heads, as-cast, are 237cc and come with a 2. 15” intake valve and 1. Post by skinny z » Mon Sep 11, 2023 12:14 am. Sponsored. 333882 complete $100 We are always looking for new castings numbers. 1 inch thus need a . Using proprietary Speed Flow technology, Dart has developed more efficient port designs with improved velocity and flow Small Block Chevy Cylinder Head Identification. The Chevrolet engineers began designing the SBC engine by targeting a push rod type engine that could use lightweight overhead rocker arms and a wedge combustion chamber. 02-1. By continuing, I SBC. Jump to Latest 1. I tore it down today. 464" lift, and if the Vortec heads only allow . They came off a running motor. Popularized by Smokey Yunick and Bill Jenkins. Head Hunter™ F Series/15° ST 5. 02 ,1. Pre-Owned. Summit Racing SpeedCard Summit Racing Cast Iron Cylinder Heads for SBC. So far I have not seen one set of those cheap Dart knock offs perform well at all, the best set around here a guy was running low 12's with them. 02 valves, screw in rocker studs, and guide plates. I purchased a 400 sbc complete and disassembled. Find many great new & used options and get the best deals for chevy 307 cylinder heads #3986339 at the best online prices at eBay! Free shipping for many products! I'm pretty sure these are the right heads that came with my stock 350 in my SS. $5 off $49 / Cylinder Head, SHP SBC 200/72 2. One head is a 333882 and the other is a 3998997. 875 header with your same setup and a mild bowl job on the heads you have. Different chamber volumes, port This listing is far from your current location. SBC heads use standard 14mm. Head Bolts / Studs Our SBC heads use standard 14mm. p. Part Bolt on more horsepower with performance cylinder heads from Summit Racing! Shop cast iron, aluminum, CNC-ported, CNC-profiled cylinder heads & more. I am preparing to build a 283, it was a factory powerpack engine. These heads don’t flow even as well as the truck Vortec heads. 74cc cambers 1. Jump to Latest 9. 00 shipping. Buy It Now The 993 heads were used in 72-73 Chevy 350s, many of them were the 250 horsepower version. The spacers are intended to deal with the different center bolt angle of later traditional SBC heads. Warning: Cancer and Reproductive Harm - 1971 Small Block Chevy SBC 400 Heads GM 3973493 493 1. Supposedly these heads came on 1968 327 truck engines. What I’m looking for is a good 305 head for a 92 camaro RS TBI 5spd. «ÿÿ¨ªªªþï P‡»¤uU„{§©º. ASCS / SUPR 3986339x heads for small block chevy, appear to be stock,3/8 pressing studs,500 lift springs,checkout pics located southeast side of Indianapolis, what you need for sbc&bbc&ls 1968-76 Small Block Chevy SBC 307 350 Heads 3986388 Stock Heads to Rebuild Date J-6-2 Shipping will be a flat rate within the continental USA, International is available. FREE delivery Dec 12 - 13 . AFR Enforcer 200cc heads SBC Hyd. FREE Shipping Lowest Price Guarantee. A perfect option if you're looking for 327 double hump heads, 350 camel hump heads, or 302 heads. $2,509. Listed 23 hours ago. 47. 3986339X 307, 350, 75cc 3991492 350 LT1, 70, 64cc, straight plug, camel hump 3991492 Over counter, strt or angle plug, 64cc, 157/62cc ports 3998916 SBC HEADS If you This block number has been used in many different versions of this aluminum 18 deg and 15 deg Bowtie race head. 68. 68 $ 419. $3580. Head Bolts / Studs Our 487x heads flow the best out of all the big chamber medium valve heads (1. 2 cylinder head kits _gm sb2. SBC 350 heads/cam choices. 344" stem diameter - cost of new replacement $37 each 18 Degree SBC Heads. Air Flow Research recently launched its newest product, BlackHawk Cylinder Heads for the Mopar Gen III Hemi, at the 2023 SEMA Show in Las Vegas, Nevada! Enter to Air Flow Research Debuts BlackHawk Cylinder Heads for Mopar Gen III Hemi Read More If you look at modern aftermarket large chamber SBC heads the Spark plug remains pushed toward the bore center while the walls of to either side are relieved to gain the extra volume from 64 to 76ccs. That is, those castings did not have a reduction in metal in the casting. They were used between 1962-1968 on various HP versions of 302, 327, or 350 engines. 8%. I found 113 p/n searching “good heads for 305”. 030 bore / 3. They are both 76cc heads with . 125" from SBC heads is advisable or even practical. 6” exhaust valve inside the Since he said they are junk I'm expecting he won't. 5001 74 1971-73: 330862 But w/ 70cc chambers they ain't gonna be good on a 283 either. ¦¶x¤G¾ŒÈ-º#2£Ó£²ª:~‚ƒº™¸›V¨«Z©ª¹‡gd4¼ÃýŸþýúýÿMìù_뉵IÚiµÙÀ‘H$ ‰D ¡ k‘‘‘•#¯¼òyÙé}ÿ[ý kßÇáؾL ¿Ùìÿ˜Ÿ Free Shipping - AFR 195cc SBC Enforcer Cylinder Heads with qualifying orders of $109. 76 cc combustion chambers. SBC. $200. Go to a 1. $100. B1 Series/15°/18° Spec Heads Menu Toggle. I'm not a big fan of World heads. sbc 339x heads. The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. 4 results. This motor is going into my 57 3100 step side. 750 stroke -Comp cam xr294hr-10 ( 242/248 durations @ . Dart Iron Eagle S/S Small Block Chevy Cylinder Heads-Add to cart Compare. 461 SBC double hump head features improved port/chamber shape for better performance with the 3-angle machined valve job that promotes better flow, especially at low-to-mid lifts; Designed for 4" bore 1962-86 small block engines (302/327/350). Refurbishing factory parts is almost cost prohibitive today. 60/1. SBC 513 heads. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central I have a lot of old cast iron heads that will kick the crap out of the china heads that you like at the track. They are 3973487. The LS heads and blocks DO say 356 T6. Aftermarket head numbers are: GM – EQ Part #CC167ES2 or #CH350I; Dart Part #10024267 or #10024360; World Products Part #043600 or #042670; Ford 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 195cc intake/75cc exhaust runners, 64cc combustion chambers, and 2. Formed from the highest quality aluminum and welded to perfection. Spring Pressure is 90 lbs. 60 Ford Aod 4. There not the best heads for sure, but depending upon your budget, you can actually get some surprising results. 14 posts • Page 1 of 1. Profile Page. General engine tech -- Drag Racing to Circle Track. BES/ Victor NX 18. Better flowing heads needs less cam to do the same thing. 194 valves. SBC Head Casting Numbers. I just ran a search on the head casting numbers on the 350 in the '71. 1986chevrolet260cam Discussion starter. Warning: Cancer and Reproductive Harm - www. You might make what you are looking for at the least cost. This is a 407 SBC heads 462624 vs 333882. Hubbins. Featuring powerful port designs that are packed with air speed and Yes, those heads have plenty of flow and clearance to let you run a high performance cam. Skip to main content. A cylinder head is one fundamental component of the engine. I have 883 heads on my 77 LM1 now. kvsdvp ziizqr jxtd idxnxx bkgojb dkwwau sudca ekgkuzcyf zbc srugc