Home / Engine & Performance / Manley Spring Retainer SUPER 7 221445P “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Spring Retainer SUPER 7 221445P€ 595,95 Manley Spring Retainer SUPER 7 221445P quantity Add to cart SKU: 23685-16 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 Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1