Home / Cylinder Head / Manley Valve Spring Seat, Spring CUP-OD 1.610 “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-OD 1.610€ 126,28 Manley Valve Spring Seat, Spring CUP-OD 1.610 quantity Add to cart SKU: 42365-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60 Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts