Home / Engine & Performance / Manley Spring Retainer STL 1.311 7 DEG LS-1 “ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit” has been added to your cart. View cart Manley Spring Retainer STL 1.311 7 DEG LS-1€ 94,31 Manley Spring Retainer STL 1.311 7 DEG LS-1 quantity Add to cart SKU: 23620-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 84.50mm 9.0:1