Home / Engine & Performance / Manley Valve Spring 1450 POLISHED “ARP cabinet with SS 12pt metric 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 Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1