Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-OD 1.550 “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-OD 1.550€ 126,28 Manley Valve Spring Seat, Spring CUP-OD 1.550 quantity Add to cart SKU: 42122-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45