ME17-up Valve Spring Compr Collar Ada For Harley-Davidson

American made valve spring tool necessary for removing or installing valves. Works on all overhead valve 1936 to present Big Twin models, including Twin Cam and 1986 to present Evolution Sportster models 1986 to present. Must be used in conjunction with an optional collar on 2005 thru 2017 Twin Cam, 2004 to present Sportster & Buell and 2017 to present Milwaukee Eight.