Home / Engine & Performance / Motor / ARP M12 X 1.25 SS self locking 12pt nut “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart ARP M12 X 1.25 SS self locking 12pt nut€ 10,03 ARP M12 X 1.25 SS self locking 12pt nut quantity Add to cart SKU: ARP-400-8208 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Related products Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1