Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-OD 1.437 “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-OD 1.437€ 126,28 Manley Valve Spring Seat, Spring CUP-OD 1.437 quantity Add to cart SKU: 42126-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS hex accessory bolts