Home / Engine & Performance / Motor / Holden 308 12pt head bolt kit “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Holden 308 12pt head bolt kit€ 274,96 Holden 308 12pt head bolt kit quantity Add to cart SKU: ARP-205-3701 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1