Home / Engine & Performance / Manley Valve Spring Seat, Spring CUP-ID PRO “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart Manley Valve Spring Seat, Spring CUP-ID PRO€ 143,34 Manley Valve Spring Seat, Spring CUP-ID PRO quantity Add to cart SKU: 42437-16 Categories: Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm