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Availability date: 05/13/2018
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.
Honda RS150R/Winner/Supra/GTR150/Sonic (2016)
Honda CB150R/CBR150R (K45G) (2016)