Tappet Cuffs for 2017-Up M8 Models HHI KITS The 590G cam was designed

The 590G cam was designed as an all out Horsepower Cam for 124 and larger engines

spring cups

these covers can be used on both 1966 thru 1981 and 1982 & later models

Frequency Response: 60Hz-20kHz

Kit 3/4 is adjustable from 3 ½ – 5 ½”

Tappet Cuffs for 2017-Up M8 Models HHI KITS The 590G cam was designedFactory 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