I think you'll find that L98 aluminum heads have 58CC combustion chambers.
Be careful that they don't raise your compression ratio too much.
Copied & Pasted from the ZZ4 specs on Summits website:
"cast aluminum 1987-91 Corvette L98 cylinder heads. Which have 58cc combustion chambers, 163cc intake runner volume. They have a 1955-86 bolt pattern"
So, yes, your intake should bolt right up....JA.
Last edited by johnnya; 07-03-2009 at 12:26 PM.