Home / Engine & Performance / Manley Valve Spring 1.311 SINGLE HEMI “ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit” has been added to your cart. View cart Manley Valve Spring 1.311 SINGLE HEMI€ 624,42 Manley Valve Spring 1.311 SINGLE HEMI quantity Add to cart SKU: 221431-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts