S&S Cycle Camshaft Kit – 106-4858 For Harley Motorcycles 2006-2017

Description

Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain driveReverses the rear cam’s direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam lifts are possible with the gear drive kitKits include cams, inner gears, outer drive gears, inner and outer bearings, gasket and instructionsMaterial must be removed from the inner surface of the stock gear cover to install S&S gear drive camsA hydraulic press and other professional-level tools are required to install these kitsCam bearings and gaskets must be replaced when installing new camsInstaller 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.Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.Designed as bolt-in cam for touring bikes with compression ratio between 9:1 and 9:9More power across the rpm range, with improved low and midrange torqueCan be used with stock pushrods, springs and liftersStrongest from 1,000-4,000 rpmMade in the U.S.A.SpecsPRODUCT NAMECAM KITTYPECHAINAPPLICATIONEXHAUST / INTAKEGRIND551 SERIESINTAKE LIFT AT TDC0.178″INTAKE OPEN17°INTAKE LOBE CENTERLINE91°INTAKE CLOSE19°INTAKE LIFT0.550″INTAKE DURATION216°EXHAUST LIFT0.550″EXHAUST DURATION238°EXHAUST LIFT AT TDC0.170″EXHAUST OPEN41°EXHAUST LOBE CENTERLINE102°EXHAUST CLOSE17°UNITSKITRIDING STYLESTREET