551G Gear Drive Camshaft Kit

Designed for engines with 96 to 106 CID and 9:1 to 9:9 compression, this is a bolt-in cam set for stock or mildly modified touring bikesReverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes making higher cam lifts possibleMore power across the rpm range, with improved low and midrange torque, strongest from 1,000-4,000 rpmIncreases valve timing accuracy by eliminating timing chain lash and loosely fit stock chainMaterial must be removed from inner surface of the stock gear cover to installA hydraulic press and other professional level tools are required for installationCam bearings and gaskets must be replaced when installing new camsS&S recommends that adjustable pushrod/cover kit be usedNot recommended for compression ratios of 10:1 or greaterKit includes inner gears, outer gears, inner and outer bearings, gaskets and instructionsMade in the USAInstaller must check coil bind, valve to valve clearance, and valve to piston clearance.Due to the inherent characteristics of gear drives, you may experience more valve train noise.