UMA Racing Valve Springs (R1/R3 cams) - Yamaha Y15ZR/Jupiter MX King/Spark/Exciter/Sniper/T150

UMA Racing aftermarket valve springs ensure linear tension under fast compression when using high lift camshafts, and are stiffer to prevent valve float at high engine RPM. This set of valve springs are recommended for use with the UMA R1/R3 Spec performance camshafts or those with similar lift. Details: • Spring ø: 3.2mm • Free Length: 38.3mm • Set Length: 32.3mm • Stroke: 8.8mm Fitting: Yamaha Y15ZR/Jupiter MX King/Spark/Exciter/Sniper/T150 Yamaha FZ150i Vixion (2014-) Yamaha YZF-R15 V2/ R125/MT-15/MT-125/WR125 (Non-VVA)(2014-18)

Part no. MG-1560