Billet aluminum construction with hard anodized black coating
Easy upgrade when changing tappets or doing a cam change
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
Made in the USA
Due to variances between cam and tappet manufacturers, always check the tappet-to-tappet cuff clearance.