Home / Engine & Performance / Manley Valve Spring 1449 POLISHED “JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1” has been added to your cart. View cart Manley Valve Spring 1449 POLISHED€ 1.556,96 Manley Valve Spring 1449 POLISHED quantity Add to cart SKU: 221449P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 9.0:1