Home / Engine & Performance / Motor / ARP 1/2-20 self locking 12pt nut “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart ARP 1/2-20 self locking 12pt nut€ 5,48 ARP 1/2-20 self locking 12pt nut quantity Add to cart SKU: ARP-200-8210 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Related products Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1