Home / Engine & Performance / Valves & Springs / PAC Chrome Moly (0.060 Thickness) Seats- .635 Guide “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart PAC Chrome Moly (0.060 Thickness) Seats- .635 Guide€ 6,95 PAC Chrome Moly (0.060 Thickness) Seats- .635 Guide quantity Add to cart SKU: PAC-S104 Categories: Engine & Performance, Valves & Springs, Valves & Springs Brand: PAC Related products Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts Bolts & StudsEngine & Performance ARP cabinet with accessory bolts