Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-OD 1.250 “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-OD 1.250€ 126,28 Manley Valve Spring Seat, Spring CUP-OD 1.250 quantity Add to cart SKU: 42135-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50