Home / Engine & Performance / Manley Valve Spring Kit NexTek Spring “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1” has been added to your cart. View cart Manley Valve Spring Kit NexTek Spring€ 914,59 Manley Valve Spring Kit NexTek Spring quantity Add to cart SKU: 261454L Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit 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 10.0:1 Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts