Cardinals Racing Stage 2 Valve Springs - Yamaha LC135/Jupiter MX/Crypton X/Spark/Exciter/YZF-R15/R125/Fz150i/Vixion

This set of Cardinals performance valve springs are suitable for racing high RPM Yamaha engines with high-lift performance camshafts, cylinder heads with larger valves installed. These valve springs are available in 2 hardness ratings, Stage 2 spec for 62-65mm and stage 3 spec for 65mm and above big bore cylinder kits . Details: • Valve Spring size: 42.5mmx19.6mmx3mm • Valve Stem size: 4.5x85mm Fitting: Yamaha LC135/Jupiter MX/Crypton X/Spark/Exciter/YZF-R15/R125/Fz150i/Vixion

Part no. MG-1097