Jims Low-Profile Billet Tappet Covers / Pushrod Cover Kit For Harley Features: Made from 6061 billet aluminum Covers were designed to be installed with Twin Cam pushrod covers, they will not work with standard M-Eight pushrod covers Jims tappet covers have a sleek new look and are 1/2 lower than stock, making pushrod adjustment easy to do Full kit includes tappet covers, smooth billet pushrod cover and all necessary gaskets, O-rings and screws Tappet Cover Kit includes tappet covers, gaskets, and screws Made in the USA