Home / Engine & Performance / Manley Valve Spring 1448 POLISHED Manley Valve Spring 1448 POLISHED€ 1.270,56 Manley Valve Spring 1448 POLISHED quantity Add to cart SKU: 221448P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45