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ARP head stud kit for small-block Chevy 18A undercut hex head applications. This kit supplies undercut hex head studs matched to the 18A head pattern so cylinder heads can be refastened with the correct hardware. The stud set is intended as a direct-fit replacement for factory bolts on 18A heads, giving a dedicated solution for proper alignment and clamping.
ARP SB Chevy 18A undercut hex head stud kit
