Home / Engine & Performance / Motor / ARP 9/16-18 SS 12pt nut kit “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart ARP 9/16-18 SS 12pt nut kit€ 8,59 ARP 9/16-18 SS 12pt nut kit quantity Add to cart SKU: ARP-400-8305 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1 Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60 Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts