Home / Engine & Performance / Motor / ARP 7/16-20 self locking 12pt nut “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart ARP 7/16-20 self locking 12pt nut€ 3,52 ARP 7/16-20 self locking 12pt nut quantity Add to cart SKU: ARP-200-8209 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 9.0:1 Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts