551 Gear Drive Camshaft Kit

551 Gear Drive Camshaft Kit

SKU: 330-0100

Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely fit stock chain drive.Reverses the rear cams direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam.lifts are possible with the gear drive kit.Kits include cams, inner gears, outer drive gears, inner and outer bearings, gasket and instructions.Material must be removed from the inner surface of the stock gear cover to install S&S gear drive cams.A hydraulic press and other professional-level tools are required to install these kits.S&S recommends that adjustable pushrod/ cover kit MFG PART #93-5095 be used.Cam bearings and gaskets must be replaced when installing new cams.Made in the U.S.A.Intake Opening (degrees): 18.Intake Closing (degrees): 20.Exhaust Opening (degrees): 39.Exhaust Closing (degrees): 15.Intake Duration (degrees): 215.Exhaust Duration (degrees): 237.Valve Lift (in): .550 NOTE: Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance..NOTE: Kits require high-performance valve springs when installed in 99-04 models.NOTE: Due to the inherent characteristics of gear drives, you may experience more valve train noise.