Home / Engine & Performance / Manley Valve Spring 1454 POLISHED “ARP cabinet with SS hex metric accessory bolts” has been added to your cart. View cart Manley Valve Spring 1454 POLISHED€ 940,73 Manley Valve Spring 1454 POLISHED quantity Add to cart SKU: 221454P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1 Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG60 Powergate 60