Home / Cylinder Head / Manley Valve Spring 1444 POLISHED “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart Manley Valve Spring 1444 POLISHED€ 1.105,06 Manley Valve Spring 1444 POLISHED quantity Add to cart SKU: 221444P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1 Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts 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+ 85.00mm 9.0:1