Home / Engine & Performance / Motor / 1/4-20 12pt nut kit (1pcs) “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart 1/4-20 12pt nut kit (1pcs)€ 2,59 1/4-20 12pt nut kit (1pcs) quantity Add to cart SKU: ARP-301-8300 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1