S&S Tappet Cuffs for 2017-Up M8 Models - 0929-0075 S&S 475 The stock axle adjusters have

The stock axle adjusters have a tendency to slip under load

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S&S Tappet Cuffs for 2017-Up M8 Models - 0929-0075 S&S 475 The stock axle adjusters haveFactory tappet guides are constructed of plastic and are at risk for allowing the tappets to twist under heavy stress. S&S Tappet Cuffs capture the tappets without impacting vertical motion and keeping them perfectly aligned, even in high stress, high RPM situations. FEATURES AND BENEFITS Hard anodized black coating Billet aluminum construction Stronger material eliminates distortion Improve tappet stability in high lift and high rpm situations An