Home / Engine & Performance / Manley Valve Spring 1.311 SINGLE HEMI Manley Valve Spring 1.311 SINGLE HEMI€ 624,42 Manley Valve Spring 1.311 SINGLE HEMI quantity Add to cart SKU: 221431-16 Categories: Cylinder Head|Engine & Performance, Engine & Performance, Valves & Springs Brand: Manley Related products Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Bolts & StudsBolts & Studs|Engine & Performance ARP cabinet with black hex accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 10.0:1 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 250 3.0L 24V 74.00mm 9.5:1