Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-OD 1.625 “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-OD 1.625€ 126,28 Manley Valve Spring Seat, Spring CUP-OD 1.625 quantity Add to cart SKU: 42121-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50