12363391, 1996-up . ; 12558162, 2001-up, 496 ; 12560241, 1998 -up . ; 14025175, 1983-93, 454 ; 14081044, 1986-90, 454 Big Block Chevy Heads Aluminum heads with casting number 3919842 were factory cylinder heads for L89 and L88 engines. Expect to pay a lot of money if you even find a
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Tonight I'm taking a look at the casting numbers and date/suffix codes on the 1972 Corvette 454 LS5 restoration project to verify if 3916323 has vin, after jan 1 68 to comply with regulation t12203r towanda dec 20 . suffix 3R i cant find. says late 67 early 68 . How YOU Can Easily Decipher Engine casting Numbers & Build Codes?
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