Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-OD 1.550 “JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1” 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 Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 10.0:1