Home / Engine & Performance / Manley Valve Spring 1441 POLISHED “ARP cabinet with SS 12pt metric accessory bolts” has been added to your cart. View cart Manley Valve Spring 1441 POLISHED€ 852,48 Manley Valve Spring 1441 POLISHED quantity Add to cart SKU: 221441P-16 Categories: Cylinder Head, Engine & Performance, Valves & Springs Brand: Manley Related products Bolts & StudsEngine & Performance ARP cabinet with SS 12pt accessory bolts Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 9.0:1