Home / Engine & Performance / Motor / 3/8-16 black hex nut kit (1pcs) “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart 3/8-16 black hex nut kit (1pcs)€ 2,47 3/8-16 black hex nut kit (1pcs) quantity Add to cart SKU: ARP-200-8704 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60 Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1