Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-OD 1.650 “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-OD 1.650€ 126,28 Manley Valve Spring Seat, Spring CUP-OD 1.650 quantity Add to cart SKU: 42379-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT