Home / Cylinder Head / Manley Valve Spring 1.550 DOUBLE “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1” has been added to your cart. View cart Manley Valve Spring 1.550 DOUBLE€ 1.130,26 Manley Valve Spring 1.550 DOUBLE quantity Add to cart SKU: 221452SF-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts Bolts & StudsEngine & Performance ARP cabinet with accessory bolts Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts