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The ARP head stud kit fits Ford Modular 4.6L engines in both 2-valve and 4-valve variants and uses 12-point hardware for cylinder head retention. Intended as an upgraded fastener solution, the kit supplies studs sized and shaped for the Modular block to secure the heads during high-load operation. It’s a direct replacement fastener kit for builders and tuners working on these Ford engines.
ARP Ford Modular 4.6L 2&4 Valve 12 pt Head Stud Kit
