UMA Racing Valve Springs - Honda CBR150/CB150R (2016-)/CB125R (2021)/ RS150R/Winner/Sonic (2016)

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 Racing performance camshafts or those with similar lift. Details: • Spring wire ø: 3.3mm • Free Length: 38mm • Set Length: 32.7mm • Stroke: 9mm Fitting: Honda CBR150R (K45G)/CB150R (2016) Honda CB125R (2021) Honda RS150R/Winner/Supra/GTR150/Sonic (2016)

Part no. MG-1280