WebThis is a pair of original GM cylinder heads for a Big Block Chevy Engine. The casting number on each head is 3931063. These heads have large oval intake ports and semi closed 101cc combustion chambers. These heads were used by GM on 1969 396/325HP, 396/350HP, 427/335HP, 427/390HP and 427/400HP engines.The date codes are K 26 8 … WebOne Pair 427 Chevy Heads From Truck Engine, Small valve, Round Ports, Low Miles, Complete With Valves And Springs. GM 2T In Raised Letters, Casting Number 473328 These Heads Have Been In Storage For A Long Time Call Jim At show contact info And Thank's For Looking!!!!! PRICED TO SELL AT $150.00 !!!!! best electronic insect repellent WebJan 10, 2007 · A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! WebThe 427/425HP engine had a casting number of 3869942 and was stamped as broadcast code "ID" from the Tonawanda Engine Plant. This casting was also shared with the … best electronic humidor humidifier Webaccueil engine code. Chevrolet. Chevrolet Big Block Cylinder Head Casting Numbers. RECTANGULAR ... WebMar 15, 2012 · 3869942 - used for 1966 and possibly part of 1967 - 427. 3904351 - used in 1967 - 427. 3916321 - used for early 1968 - 427. 3935439 - used for late 1968 and early … best electronic hunting ear protection WebA COMPLETLEY REBUILT 1968 Total = $..call 435 HP 4 BOLT MAIN CHEVY 427 SHORT BLOCK, BLOCK CASTING # IS 3918321, DATE CODE IS L-27-7 (DECEMBER 27-1967),FRONT PAD READS T0110IU. …

WebCHEVY CASTING NUMBERS. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. I actually went through several lists and made … http://chevellestuff.net/qd/head_casting_by_year.htm best electronic ignition gas water heater WebBig Block Chevy Cylinder Heads Open vs. Closed Chamber - A good way to describe big-block heads is to categorize them as open or closed chamber. Closed-chamber cylinder heads have small combustion chamber volumes for high compression ratios, with even mildly domed pistons. WebCollected information from our experience regarding tall deck 366 cubic inch and 427 cubic inch GM and Chevrolet (Chevy) engines. ... complete casting number/dates unknown), head castings (1985+): 052 or 359 or … best electronic humidor for cigars Web44 rows · Casting Numbers to look For. Oval Port. Casting No. 336781 Mark IV, oval port, open chamber ... WebDecoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. ... 1969-1971 427/454 block casting number 3963512 with October 15 casting date on bell housing area. best electronic hvac gauges WebNov 4, 2024 · 1.Chevrolet Big Block Cylinder Head Casting Numbers; 2.Chevrolet Big Block Heads – Casting Numbers and Specifications; 3.BBC Head Casting Numbers – 1968SS.com; 4.Big-Block Chevy Cylinder Head ID. Finding Swap Meet Gold; 5.Big Block Chevy Engine Parts casting numbers and Identification; 6.Chevy Big Block Cylinder …

WebAug 25, 2024 · Block/Head: Cast Iron/Aluminum: Bore x Stroke: 4.251 in. x 3.760 in. Compression Ratio: 12.5:1: Weight: ... The Mark IV Chevy 427 came in numerous arrangements in the C2 and C3 Corvette, including … best electronic instrumental songs WebThis NHRA-legal aluminum cylinder head is a replacement for the L88 Big-Block cylinder heads used on 1968-1971 Corvettes and 1969 Camaros. Aluminum performance cylinder head. 315-cc rectangular intake ports. Replacement head for P/N 14011076. Machined for 2.250"/1.880" 11/32" valve stems. 110-cc exhaust ports. best electronic instrumental music of all time