Home / Engine & Performance / Manley Valve Spring 1425 POLISHED “ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit” has been added to your cart. View cart Manley Valve Spring 1425 POLISHED€ 940,73 Manley Valve Spring 1425 POLISHED quantity Add to cart SKU: 221425P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1