Camshaft Kit – 570G Gear Drive – Twin Cam

Designed for 88″ to 103″ CID engines with compression ratios between 9:1 and 10:1; Strongest from 3200-3700 rpm; Increases valve timing accuracy by eliminating timing chain lash and loosely fit stock chain drive ; Reverses the rear cam’s direction of rotation, providing additional operating clearance between cam lobes resulting in higher cam lifts; Material must be removed from inner surface of stock gear cover to install; A hydraulic press and other professional level tools required to install kit; S&S recommends that adjustable pushrod/cover kit be used; Cam bearings and gasket must be replaced when installing new cams; Kit includes camshafts, gearcover gasket, bearings, oil passage block off kit, retaining ring, o-ring, inner and outer gears; Made in the USA; Due to the inherent characteristics of gear drives, you may experience more valve train noise.; Installer must check coil bind, valve to valve clearance and valve to piston clearance.