Cometic Gasket CG-C9588 Rocker Gasket Kit for Twin Cam 99-17Description for Cometic Gaskets Rocker Box Gasket Set Cometic Gaskets advanced engineering and manufacturing process allows them to bring you the best availible gaskets for your bike Design engineers have the ability to analyze the environment the gasket will perform in, select the proper material, and apply the appropriate technology to offer the highest performing gaskets available on the market Rocker box gasket kit Product Specs for Cometic