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The ARP main stud kit for 1999+ Pontiac Supercharged 3800 L67 applications provides a dedicated set of main studs to replace factory fasteners in that supercharged engine family. Supplied as a ready kit, it lets builders install or refresh the crankshaft main retention hardware with purpose-made studs, streamlining assembly for repairs, upgrades, or engine builds that retain the L67 supercharged layout.
ARP 99+ Pontiac Supercharged 3800 L67 Hex Main Stud Kit
