Home / Engine & Performance / Manley Valve Spring 1454 POLISHED “ARP cabinet with SS 12pt accessory bolts” 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 Ferrari 330 4.0L 24V 78.00mm 10.0:1 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+ 84.50mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts