Home / Cylinder Head / Manley Valve Spring 1448 POLISHED “Haltech Turbosmart GenV eWG45 Hypergate 45” has been added to your cart. View cart 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 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit