Home / Engine & Performance / Manley Valve Spring 1444 POLISHED “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1” has been added to your cart. View cart Manley Valve Spring 1444 POLISHED€ 1.105,06 Manley Valve Spring 1444 POLISHED quantity Add to cart SKU: 221444P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 9.0:1 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Bolts & StudsEngine & Performance ARP cabinet with accessory bolts