Home / Engine & Performance / Motor / Oldsmobile SB 4-cylinder Quad 4 12pt hsk “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Oldsmobile SB 4-cylinder Quad 4 12pt hsk€ 256,53 Oldsmobile SB 4-cylinder Quad 4 12pt hsk quantity Add to cart SKU: ARP-281-4301 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1