Home / Engine & Performance / Manley Valve Spring 1454 POLISHED “Chevy Duramax 6.6L diesel CA625+ custom age HSK” has been added to your cart. View cart Manley Valve Spring 1454 POLISHED€ 940,73 Manley Valve Spring 1454 POLISHED quantity Add to cart SKU: 221454P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts Bolts & StudsEngine & Performance ARP cabinet with accessory bolts