S&S Cycle SS33-5268 585G Gear Drive Camshaft Kit for Twin Cam 07-17/Dyna 2006Description for S&S Cycle Complete Gear Drive 585G Camshaft Kit The S&S Camshaft Gear Drive Kit increases valve timing accuracy in by eliminating timing chain lash and the loosely fit stock cam gears This is accomplished by replacing the stock cam drive sprockets and chain with light press fit S&S gears Because the chain, chain guides, and tensioner are eliminated, there is no longer a possibility for these parts to fail and damage other parts The S&S