Chevrolet Performance's Fast-Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. . 12480011. These are heavy-duty castings, 1.94/1.5 inch intake/exhaust valves. 1.94 intake, 1.55 exhaust. We would like to thank everyone that has contributed to the data provided on this site. A Guide To Mopar V8 Cylinder Head And Block Casting Numbers. These particular heads have the 1.94 inch intake and 1.50 inch exhaust valves which were . Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D-Port 1.88/1.6 55-60 INT MAN . I have a pair of refurbished SBC 400 heads for sale. . The head with the three accessory bolt holes is a 333882 casting. Pros Lighter than iron heads Provides greater airflow Tight clearance for the pushrods Cons Might have to ground sharp ends of exposed threads with a dremel Disassembled, cleaned, valves/seats refaced/lapped, new seals. You can also use them with various SBC engines such as 302, 350, 327, 383, and 400. it is an 817 casting 2 bolt block with only 2 freeze plugs machined (it has all three bosses) i know aftermarket blocks are the way to go but i am on a budget. These are a cast-iron version of the reverse-cooling heads used on the 1990's LT-series engines. I go over some basics of Small and big block chevy block and cylinder head casting numbers, date codes, and suffix codes. Chevrolet Block Identification number locations. Casting No. My plan would be to slowly put it together as funds came along. Setup for hydraulic flat tappet cams. Page 1 of 11 << First < Previous 1 2 . The earliest 265 and 283 small-blocks relied on an iron Power Pack head that featured 58-cc chambers and tiny 1.72/1.50-inch valves. 2268341 - 1962-1967, 318 LA-series small-block, . The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. so i wonder it was worth buck for $500? Estimated Ship Date: Sep 19, 2022 if ordered today. SBC 377 (400 block .030 over with a 3.48 crank, casting 3961511) Says it turns over freely, but has high compression. 3946826: Either build it as a 406" or 420". it all new freeze jacket, new cam bearing, manaflux, sonic, honed, hot tank etc.. Estimated Ship Date: Sep 19 . The casting number should be 3951511. NO WARRANTY No Core Charge No oil pan. 64cc Chamber, 220cc Intake Runner, Chevy, 302, 327, 350, 400, Each. It's a casting number '817' 400 4 bbl, 175 hp. Casting # Years made Valve Size HP levels used for Chamber Size / Notes; 3782461: 61-70: 1.94/1.50 . 5.0 out of 5 stars . . hello people this is my first post as a new member to this site! Bowtie Phase III 64cc Angle plug 184 cc intake runner. 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. This list, however will not include the gen-III LS offerings. 2.02/1.60. Search for: Search. Find CHEVROLET Chevy small block Gen I Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Chevy 400 Small Block Casting Number: 3951511 (4-Bolt main) Bore: 4.125 (104.8 mm) Stroke 3.75 (95.3 mm) Journal: 2.65" . Casting number is "882". D1AE - 1971-1978, 351M/400 Cleveland small-block, 2-bolt mains, high-nickel. That being said, adding 2.02" (or 2.05s, considering the larger bore of the 400) intakes, 1.6" exhausts and a bunch of porting, they CAN make good power. Are you trying to identify your small-block Chevy engine's head? If it has been rebuilt, it probably has larger pistons of unknown compression and the heads are unknown. Big block on the right side of engine above the oil pan rails. The prefix comes first in the engine ID and contains 5 digits relating to its production. Chevy V8 Crankshaft Casting Numbers. Leave a . 12506450. 400/440 B/RB-series big-block, 2.08/1.74 valves, Motor Home. As of mid 2012 the Part Number was moved to the intake face just under the valve cover rail. In addition to casting number 12558059, there is c/n 12552520 listed in the databases as a '96-'97-up "Vortec" head, comparable to the c/n 059 head by all appearances. Note 2: Large-journal 302-CID engine uses 350 block. We could split it apart into its constituent alphanumeric components, and this is what you'll get Prefix: It is usually found on the top of the head in between two valves and the rocker arm studs. 4. . Vortec Cast Iron SBC Heads These types of heads will have 3 factory-drilled holes on the driver side head, and 3 holes on the passenger side head with 3 5/8" between the top driver side holes and 4 3/16" between the top passenger side holes. D1AE-A - 1971-1982, 400 Cleveland small-block, . Type: Small Block V8. Chevy V8 SBC Block and Head Casting Numbers. LH. The casting number on each head is 3927186. Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82 Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! The head uses larger valves, but the real reason for 230 cfm at .400-inch lift can be attributed to the larger intake ports. 22551660. Used Overhauled Small Block Chevy 400 Short Block for Sale. This is truly one of the best aluminum heads for small block Chevy engine. NKB 200cc/64cc ULTRA HIGH FLOW CYLINDER HEADS, STRAIGHT PLUG WITH STEAM HOLES, FOR SBC CHEVY 400, 406 ENGINES. Years Used: Used In: 333882 '70 . . Engine Size (ci) 10033867: 62cc: 2.02: 1.60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101: . eBay Product ID (ePID) . . Note 1: Small-journal 302-CID engine uses 327 block. If you have a VERY GOOD head person in . The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. You should find that casting number on the top left of the engine right where the transmission bell housing bolts up. This casting is known as a "camel hump" or "camel back" head due to the double humps cast into the ends of the head. The 400 ports are as big as any SB heads and they come with 1.94-1.5 valves. I swapped it out for a 400 SBC 3591509 block 2 bolt main. 10243878 Small Block V8 1996-1997 305, 2-bolt, Vortec truck, roller cam, 1-piece rear seal. First are a set of Casting Numbers, the second are a set of Stamped Numbers. . It was loosely based on the medium journal 350 and had a 4.125-inch (104.8 mm) bore and a 3.75-inch (95.3 mm) stroke. The number itself can have 6, 7 or 8 numeral digits. Small Block Chevy Cylinder Head Casting Numbers. Pistons are used . Small Block Chevy Engine Block Identification General Engine Block Specifications While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. We would like to thank everyone that has contributed to the . Performance Stock Intake Casting Numbers for SBC. LA Small-Block Mopar Cylinder Head Casting Numbers. Chevrolet Big Block Cylinder Head Casting Numbers. 67 400 GTO: 72: D-Port: 97: LATE 67 RA GTO: 65: D-Port: ALL 67 & UP HEADS HAVE 2.11/1.77 VALVES UNLESS OTHERWISE NOTED: This will show you how to also look up the . Camshafts with more than 0.475" lift require machining valve guide bosses and checking valve seal to valve spring retainer clearance Can be machined for 2.020"/1.600" valves Rocker arm studs can be pinned or drilled and tapped to 3/8" Valve spring seat diameter is 1.280" Casting number 10239906 or 12558062 Email Sign-Up This is a mid-to-late-1970s 197 small-block head that was fit with 1.94-inch intake valves designed to use unleaded fuel. Drop Ship; Free Shipping; $560.95. We may be the only company . 400: 150: 180: 2: car, truck . These heads have 76 CC combustion chambers. Chevy V8 "W" Motor 348-409 Casting Numbers. The number along with the date code can be used to pinpoint the heads original application fairly closely. . I then converted it to TBI using the ECM out of an 89 truck with a 5.7 and had the knock sensor disabled in the ECM. '87 Suburban 4X4, 350, 700R4. Small Block Casting Numbers Lookup. Valve sizes (1.94" intake x 1.5" exhaust or 2.02" intake x 1.60" exhaust) and whether or not screw-in studs and guideplates are in place can further ID them. Block #'s 330817 E30 73 T4 CONV1 Front Pad # 13J301676 TO613CSK Dec 14, 2005 #2 ChevyReb Veteran Member Lifetime Gold Member Feb 4, 2003 4,503 SC According to Mortec.com the 400 crank cast # is. The 400 castings are 3951629 and the 350 are 3916396. '70 CST Blazer, 350, SM465, NP205. Check the casting number in this article with the free lookup. Swirl-inducing vane While the 305 Vortec head has a swirl vane in the intake port, it is much smaller than what's seen in the 5.7L swirl port heads like the c/n 191 and 193 heads. GM Bowtie . The casting number on these heads are 882. Part Numbers are located and stamped on the ends of the heads prior to 2005, then engraved on the ends of the heads after 2005. Small block chevy head castings; Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine; 10033867: 62cc: 2.02: 1.60: over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum: 10045434: 55cc: Over the counter 15 degree, angle plug, raised runner, aluminum: 10051101: 55cc: 2.02: 1.60 During 1956 this was rectified and the engine continued in production until 1957. The next block they came out with is the 509 casting. Part Number: RHS-12059. SBC Head Casting Numbers: Full List & Lookup. Located under the valve covers, the casting number is the best way to ID a SBC head. More Stories. Welcome! While this block is more expensive, it's a new casting with four-bolt mains and 350-size main journals, which means slower bearing speeds over the larger stock 400 size. Two bolt block. The block casting numbers do not have any letters in them. With our " Undercover Ported " they will flow 220-230 cfm intake and 165 cfm exhaust. Short fill the block, machine it for splayed four bolt main caps, get a forged crank, rods, and about 8.5:1 pistons. Like the LT1. Casting #: 3951509 Block #: 509 2 Bolt Main. Use the Part Number to determine which version of the head you have. Chevy V8 Casting Number Locations. The bigger heads to follow were the "double-hump" heads championed by the mid-'60s 327 engines. Any help would be great!!!! For a production engine, these are great flow numbers. To make "power" with a 400, though, no factory iron head is capable of flowing enough without massive port work and larger valves. In the 25 plus years of driving this combination, my only failure was a flattened cam lobe, because no one told . Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 head it replaced, there are several significant differences between these two heavy-duty cylinder heads. The most common casting you will find is the 882 for the 350ci engine and the 454 for the 305ci engine. (Unless someone has already made a 383 out of the. Heads fit 1986 & OLDER only. The casting numbers for small-block Mopar and big-block Mopar are a seven-digit number, which is raised, and usually found in one of two locations. Type your engine block casting number in the SEARCH BOX below. If you want to get started with the LEAST AMOUNT OF EXPENSE FOR HEADS, use 70-74 stock 400 heads. The Chevy cylinder head casting codes are one of the best ways to identify a Chevy cylinder head. ALL PRO'S 12-4 CASTING, FOR MECHANICAL CAMS. Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. Aluminum Intake Manifolds; Part Number: Carb Type: Year . I have guy want to sell his 80K mileage 400 ci 509 casting block with 2 bolts.. but it already machined work and bored to .030 = 406ci also come with stock 10/10 Crank polish n balanced. All Chevy V8 engines, from the big-blocks to the LS engine platforms of today, evolved from this 283 small-block family. The engine ID code stamping is located on a flat pad in front of the passenger side cylinder head (big blocks can be in the same location or above the timing chain cover, with inline-sixes stamped on the passenger side of the block behind the distributor). SB2.2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. CHEVY PRODUCTS REVIEW; CHEVY BLOG; SBC Head Casting Numbers: Get The Full List & Lookup Here. It has a high rise manifold, full headers, whole 9 yards! in. 14102058. . CHEVY PRODUCTS REVIEW; CHEVY BLOG; AFE Main Menu. Sold As-is. 10199001 Small Block V8 1993-1995 350, 4-bolt, LT5, Corvette ZR1, 405hp. It is a small block 400 with stock 400 heads, stock low compression pistons, performer intake, Holley spreadbore carburetor, thumper cam, and cheap headers. This flow improvement will add 15 to 25 horsepower to your engine. The 511 was the early block and the majority of them were 4 bolts and quite strong. SEMA 2021: King Bearings Talks Bi-Metal And Tri-Metal Differences . These castings have a 76cc chamber. If you see the casting numbers 3951509, or 330817, you will know that you have a 2bolt main 400. You will still have to hone. Includes valves, springs and rocker assembly unless buyer wants them removed to save on shipping charges. The 400 ci engines definitely make more horsepower and torque compared to the smaller cube small blocks. Stock "double hump" heads flow 202 cfm intake and 141 cfm on the exhaust. Assembled, 64cc Chamber, 195cc Intake, Angle Plug, Chevrolet, Small Block, Each. SBC Heads 15 Degree Brodix titanium valves 18 degree GM Bowtie heads TIT 218 valves Ready to bolt on $1800 each contact 318-617-4806 . Chevy/Olds Rocket block 4.00"-4.190" bores 400 mains journal sizes splayed steel caps wet sump raised cam 2-piece rear seal 9.300" deck. Important note. CYLINDER HEADS. This How to video will show you how to find or locate the casting numbers on your small block chevy engine block. Search your casting number. They might look like this "361959" or "3970010" or "14015445". These castings have a strangely cast area under the intake ports which make them very easy to spot. DOHC 32-valve, aluminum, passenger-side. If you are looking for the actual Chevy engine codes that are stamped into the block during assembly, Nasty Z-28.com has an excellent block stamping number decoder. $170.00. These heads do have the accessory holes in them. There are two sets of numbers that will help determine this. Post navigation. Very little difference between 350 heads and 400 heads. Model: GM 400 6.6L Type: Small Block V8. i need some info on a block i recently bought. 10243880 Small Block V8 1995-1999 350, 4 bolt, crate engines and ZZ4, roller cam, one piece rear seal. small block cylinder head part number 3951518 441 X. Chevrolet. 5.0 out of 5 stars. Manufacturer Part Number. There are 3 different casting numbers found in the 400 sbc. This information has been gathered from several sources and has not been verified. Find RHS Pro Action Small Block Chevrolet Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! There are sometimes other individual letters found on blocks like "GM" or "CFD" for the Central Foundry Division, but they are not part of the block casting number. I shift at 5100 rpm. 400: 4-bolt Bowtie Aluminum 400 Mains/Bore: 10125327: 350: 93-up: . SEMA 2021: Turbosmart's Straight-Gate50 Is Redefining Wastegates. The quickest way to tell a SB 400 from other SB's is the size of the harmonic balancer.The 400 crank uses a larger one due to the external balance. The easiest way to reference any production head is with the last three digits of its casting number. Add $25.00 for magnaflux, labor to remove valvetrain. 1970 Chevy 400 cu. 350. One head only. Looking for $400 obo. Our user id is: skipwhite, and our store name is whiteperformance1. Posted 2 days ago $400. 817 casting 400 sbc.. #1 by 69firebird Tue Nov 13, 2007 4:46 pm. Chevy/Olds Rocket block 4.00"-4.190" bores 2.45" main journal sizes splayed caps dry sump 2-piece rear seal 9.025" deck. Used on LT5 Corvette ZR1. Dec 27, 2001. SBC Head Casting Numbers. As the names imply, Casting Numbers are cast into the block when it was made. CHEVY SMALLBLOCK V-8 Crankshaft Casting Numbers SBC TWO PIECE REAR MAIN OIL SEALS 1130327forged..mediumjournal.3.25" stroke The only block of this family, 400 cu in (6.6 L) small-block, was introduced in 1970 and produced for 10 years. Factory steam holes. It runs mid 13 second quarters with a best ever of 13.1. LT1 cylinder head, casting number 10125320. . If you see the casting number 3970010, 3970014, or 3970017, you will know that you have a 350. Size: .030 oversized. . 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 22551656. Part Number: AFR-1006. 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. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). Luckily it's pretty easy to determine exactly what SBC you have under the hood of your ride. Suffix code is CSX. 200cc RUNNERS, 64cc COMBUSTION CHAMBERS. It could have a different crank, rods, aftermarket heads. Feb 13, 2012. These heads have the factory-drilled steam holes required for a SBC 400, but will also work fine on a 350. Chevy V8 BBC Block and Head Casting Numbers. good HP head: 3951509: 74: 400 . 4. Professionally rebuilt pair of 350 /400 Small Block Chevrolet cylinder heads. Cast date J 9 9 (October 9, 1969). it is . It is usually found on the top of the head in between two valves and the rocker arm studs. On the flip side, the suffix caps off an engine ID with either 2 to 3 digits, detailing some noteworthy specifications of the engine. Search. Sign In Sign-Up. But I can't find that number anywhere on the rods. One of the most influential small-block cylinder heads ever made was manufactured in the late 1950s. 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 New Piston Rings New Main bearings New Rod bearings New Cam bearings New Timing set. It runs good except it has developed a pretty nasty piston slap when cold. The camel hump heads were reserved for the higher performance Small Block Chevy engines. These are the weakest of the 400 blocks and I avoid them like the plague. The small block was introduced in 1955 with 265cid. item 6 4 Small Block Chevy SBC 283 305 327 350 400 CYLINDER HEADS DOWELS PINS KIT 6 - 4 Small Block Chevy SBC 283 . You can tell tWhem from the other blocks as they had 3 frost plugs per side. 12480034. Casting numbers identify which head you may have. 400: 1970-73: Heavy-duty trucks & passenger cars (4-bolt mains) . It's not unreasonable to get 400+ HP from a SBC 400 with high flowing modern heads, intake and carb with the proper cam shaft. On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). In 1957, the engine size was stepped up to 283cia. I'm currently building a SBC 400 with 6 inch rods and an internally balanced bottom end. 400: 150-180: 2-Bolt mains: 360851: 74 - 76: 262: N/A: Monza: 3951509 3030817++ 74 - 76: 400: 150-265: . Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Valve Production Years Misc. GM333882. LT-Specific Cylinder Heads 10106178: 1990 LT 350ci V-8. item 2 1970'S CHEVY SMALL BLOCK 882 GM 333882 CYLINDER HEADS PAIR DATE CODE : E374 2 - 1970'S CHEVY SMALL BLOCK 882 GM 333882 CYLINDER HEADS . Cylinder Head, Performer RPM, Aluminum, Assembled, 64cc Chamber, 195cc Intake Runner, Chevy 302, 327 . Not all casting symbols are equal and many have minimal visual differences. Bessemer , AL . If you must maintain a stock looking port, consider our " Undercover Porting ". Chevy small block casting number cross reference. Casting Date Small block casting date is located on driver side rear of block on flange forward of bellhousing. ($400.00) does NOT. Fast Burn Vortec Aluminum SBC Heads Casting number 3836842 cylinder head first showed up in 1957 model Chevrolets equipped with the 283ci V8 engine. RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust E.g. Always research a head by its casting number and date code. accueil engine code. Free shipping. 302, 307, 327, 350 & 400. The first upgrade you can do is to open them to 2.02 or 2.05 intake valves and 1.6 exhaust valves. I find out some interesting stuff .
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