Tappet Cuffs for 2017-18 M8 Models

Made in the USA Improve tappet stability in high lift and high rpm situations Factory tappet guides are constructed of plastic and are at risk for allowing tappets to twist under heavy stress, these tappet cuffs capture the tappet without impacting vertical motion to keep them aligned without twisting Billet aluminum construction with hard anodized black coating Due to variances between cam and tappet manufacturers, always check the tappet-to-tappet cuff clearance. Easy upgrade when changing tappets or doing a cam change