Home / Engine & Performance / Motor / ARP 1/2-20 SS 12pt nut kit “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart ARP 1/2-20 SS 12pt nut kit€ 7,55 ARP 1/2-20 SS 12pt nut kit quantity Add to cart SKU: ARP-400-8304 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Related products Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1