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Showing results for tags 'cylinder head'.
I'm replacing the head on a 1988 wrangler YJ when i noticed a couple odd casting +head numbers. If my research is correct, I have a 88 head (or possibly 84) on a 83 engine block...Is this ok??? What's led me to believe this? Head #s are 3242 893. The 893 matches the Cast # that i looked up when ordering a replacement through Autozone. Though there is also the number 84 written on the block a little further down...making me think it may belong to a 1984 cj7? The engine cast # is 312U07. The other number on the engine block is 3239448. Sources online say th