Home / Engine & Performance / Valves & Springs / PAC 1.620 OD, 0.645 ID, 0.150 Thickness “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart PAC 1.620 OD, 0.645 ID, 0.150 Thickness€ 2,52 PAC 1.620 OD, 0.645 ID, 0.150 Thickness quantity Add to cart SKU: PAC-S199 Categories: Engine & Performance, Valves & Springs, Valves & Springs Brand: PAC Related products Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1 Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 10.0:1