Home / Engine & Performance / Motor / 1/2-13 12pt nut kit (2pcs) “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart 1/2-13 12pt nut kit (2pcs)€ 10,31 1/2-13 12pt nut kit (2pcs) quantity Add to cart SKU: ARP-301-8322 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts