Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
ARP head stud kit for Chevy Big Block Mark IV engines with Merlin heads. This kit supplies 10 long undercut 12-point head studs intended for exhaust-to-head fastening where a compact 12-point drive is preferred. It provides the correct stud form for Merlin-head installations, giving durable clamping hardware for head and exhaust attachment without altering engine components or fitment expectations.
ARP Chevy Big Block MKIV w/ Merlin Heads 10 long Exhaust Stud Undercut 12pt Head Stud Kit
