Home / Engine & Performance / Manley Valve Spring 1.530 DOUBLE “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Valve Spring 1.530 DOUBLE€ 655,00 Manley Valve Spring 1.530 DOUBLE quantity Add to cart SKU: 221432-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG40 Comp Gate 40 Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1