Home / Valves & Springs / Manley Valve Spring 1450 POLISHED “JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1” has been added to your cart. View cart Manley Valve Spring 1450 POLISHED€ 1.736,47 Manley Valve Spring 1450 POLISHED quantity Add to cart SKU: 221450P-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 R8 5.2L V10 ’09+ 85.00mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceEngine Block JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 10.5:1