Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-ID 1.550 “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-ID 1.550€ 126,28 Manley Valve Spring Seat, Spring CUP-ID 1.550 quantity Add to cart SKU: 42332-16 Categories: Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts