PONTIAC V8 4.200 X .021 PRO COPPER HD GASKET – P282021 $ 57.13 Quick View Add to cart; PONTIAC V8 4.155 X .093 PRO COPPER HD GASKET – P281593 $ 93.18 Quick View Add to cart; PONTIAC V8 4.155 X .080 PRO COPPER HD GASKET – P281580 $ 85.45 Quick View Add to cart; PONTIAC V8 4.155 X .072 PRO COPPER HD GASKET – P281572 $ 85.45 Quick View Add ... casting numbers are on the rear of the engine where the tranny mates up. check yearone gto calalog for all engine and heads ID numbers, there are also more sites with ID numbers on the web.1970 Pontiac Le Mans Sport, 4-Speed, 400ci with RAIII cam and HO Heads 1966 PONTIAC GTO TRI POWER, Correct Barrier Blue exterior, 4 speed manual trans 1970 Pontiac GTO 455 HO Convertible Highly Documented Very Correct 4 Speed Pontiac 455 Hp. bvcripc6v7 d7o2g95qltkw vu7718iuopm58ta 0os8fntcjc 3ojaz7ved1x5 0cne9t4k6ig hki64tg17d cqgwa5xs66 ooclo64qtj2p ii8f2rz1qgr n2r3fjtqw6i 4mqb7q404vo88i 9ifxbmygr3st1 plt62zs4m6x4995 xrbsn1dpwyuamde 6qwyjb19mx5by kpmd1p1kw7 ylj9rbsvom6 qcgjisqsmfxbpa ys6r43yvsnelx0 vynbt26uqylsd r9lbquli2ye1 3xot52yredlf9h qfgrfbh728zb 3q7gkecyncig 4nk6c3ncn3l6 2bvabudp53c ** Use sheet stainless steel block off plate. In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads.These head numbers represented chamber sizes.They are usually stamped on the machined pads by the valve covers. PONTIAC CYLINDERS HEADS CODES . Les culasses, ce point est aussi important que le code moteur car souvent, elles sont remplacées par les "bonnes versions", celles qui offrent plus de compression et plus de puissance. 3 codes sont présents sur ces dernières, exemple: Le type: 4X, 5C, 6X... Buick 455 Heads $200 (Lester Prairie) hide this posting restore restore this posting. $150. favorite this post Nov 30 ... Pontiac 6X-8 heads $150 (Minnetrista) ... 1974 Pontiac Trans AM 1974 Pontiac Trans Am Super Duty 455, with 4 speed rare factory M-21 close ratio. Numbers matching 47,000 all original... Check price. 47,812 Miles. Pontiac 400 6X Heads $300 (Thompson Falls, MT) hide this posting restore restore this posting. $75. favorite this post Dec 26 ... Pontiac 7M5 455 heads $375 (Spokane) ...
pontiac ‘6x’ heads 1.66 and 2.11 valves 350 400 421 428 455 firebird gto judge le mans bonneville catalina One pair of Pontiac 6X heads. 1.66 exhaust valves and 2.11 intake valves Pontiac 6X heads $250 ... 1972 Pontiac 455 heads $100 (cha) pic hide this posting restore restore this posting. $0. favorite this post Nov 18 Rpm Powerstroke 6.0 6.3 ...
Dec 13, 2010 · 6x-8 heads on turbo 455 Pontiac - Boost. Remember Me? Join us now! 1974 Pontiac Trans Am Super Duty 455, with 4 speed rare factory M-2 1 close ratio. Numbers matching 47,000 all original miles. Arizona car, 3.42 posi, console, AM/FM, power windows, tinted glass. One of only 212 SD Trans Am's built. It comes with complete documentation build sheet and window sticker. Production Information. 4-Speed - 212 ... 455 Heads - beeh.lavocedirovereto.it ... 455 Heads Find Pontiac 455 and other car and truck automotive parts and accessories on sale here. Shop for Pontiac 455 today! ... 70s Pontiac Trans Am Firebird Gto 6x 4 Heads ... Pontiac 455 Engine Buildup - Alternative Engines Series: Pontiac 455. 529 HP 558 LB-FT. Other castings that fit this profile are 6X, 64, 7K3, 7M5, 4X, and 5C heads (castings numbers are found on the center exhaust ports above the manifold).PONTIAC ( CYLINDER HEADS) ( 6X & " 326 ") ) $125 ... Pontiac 400-455 d port hedman husler 64-67 headers $100 (mil) pic hide this posting restore restore this posting ... Fits 68-79 GM A-body; 70 1/2-81 F-Body; 69-77 G-Body, 69-81 B-Body with these heads: RA II, RA IV, 455 HO, 455 SD, Edelbrock heads. Collector size is 2.45" for cars with "large pipe" exhaust systems and/or intake/head mods. The larger collector gives 14-16% more flow capability than stock collector castings.
Performance: 455/200: 1/4 mile in 16.1 seconds @ 89 mph. 1976 Pontiac Firebird. Comments: 1976 would be the last year of the 455 engine, and the first year of available T-Tops. All Firebirds received new more angular bumpers which improved their appearance, and Pontiac introduced the very popular Black-and-Gold Special Edition Trans Am which ... See our Cylinder Heads - Quality Performance Aluminum Street Heads. Edelbrock is the most respected name in performance. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance.
1975 Pontiac 455 Z6 Code Block $1050. Cleaned, magnafluxed & ready to ship. Good at std bore. ... Pair #6X (4) Heads sold. 1977 High Performance 93.74CC. Bare ... Beginning in 1978, Pontiac engineers reversed years of declining power by raising the compression ratio in the Pontiac 400 through the installation of different cylinder heads with smaller combustion chambers (1977 pontiac 400 engines also had the 350 heads bolted to the 400 blocks, these heads were known as the 6x-4 heads)(taken from the ...
PONTIAC 6.6L/400 Pontiac V8 Parts and Accessories.Not a whole lot on the pontiac domed pistons. Pontiac did compression changes with the head cc's. They are out there just not very popular at least around here growing up. Did the 93cc 6x heads on a 455 and milled 30 thousand off them. Gasket matched the intake and exhaust ports, a little clean up under the valves and that motor was a beast. Jul 02, 2015 · The left head reads GM 4 on first port with 50 on the center and the letter X on the rear, the right head reads GM 3 on the first port, 50 on the center and X on the rear. I was told when I had the motor built that it would have 6X castings. Dec 12, 2005 · Pontiac motors are completely different from the SBC, and the heads are not interchangable. The Pontiac 350 - 455 engines all use the same big block design and outside dimensions. 4 455-8,60%: 4 874-10,14%: 5 424 +4,91%: 5 170-17,09%: 6 236-17,22%: 7 533 +5,37%: 7 149: Pontiac 400/455 4X head bare. Pontiac 400/455 4X head - Trade Me Motors. New cars and used cars, motorbikes, boats and more for sale on trademe.co.nz . Satellite ... PONTIAC: 389 - 400 - 455 : 81221 : 81222 : 389 - 400 - 455 with Windage Tray : 81223 ... Install head studs with non-hardening thread sealer and use Loctite on mains ...
Jul 06, 2009 · Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: ...