Home / Engine & Performance / Manley Valve Spring 1450 POLISHED “ARP cabinet with black hex accessory bolts” has been added to your cart. View cart Manley Valve Spring 1450 POLISHED€ 1.736,47 Manley Valve Spring 1450 POLISHED quantity Add to cart SKU: 221450P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1