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Cylinder Head question

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  • Cylinder Head question

    This is going to be a tad bit confusing so I will start from the beginning, I bought a 91 LS it had a b18a1, long story short the guy said it was no crank, no start, well got it home and starting looking at it and he threw a rod through the block, the cylinder head had bent valves, so I took it apart and 2 of 4 valve guides were broken instead of me getting valve guides for it I would like to know what year b20 head will fit my b18a1 block, what modifications will I need to do and will my exhaust header and port and polished intake will fit on the b20 head. TYIA

  • #2
    Any year b20 head will bolt straight on, and your intake and exhaust will bolt straight to that too.