Home / Engine & Performance / Manley Valve Spring 1447 POLISHED “Haltech Turbosmart GenV eWG40 Comp Gate 40” has been added to your cart. View cart Manley Valve Spring 1447 POLISHED€ 1.270,56 Manley Valve Spring 1447 POLISHED quantity Add to cart SKU: 221447P-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 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 9.0:1 Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1