FITS: 1999-2006 BIG TWIN MODELS EXCEPT 2006 DYNA
S&S Complete Gear Drive Camshaft Kit
Improves valve timing accuracy by eliminating timing chain lash
No tensioner shoes to wear out or fail
EXHAUST CLOSE 37.5°
EXHAUST DURATION 276°
EXHAUST LIFT .635"
EXHAUST OPEN 58.5°
INTAKE CLOSE 43.5°
INTAKE DURATION 243°
INTAKE LIFT .635"
INTAKE OPEN 19.5°
S&S 635G gear drive camshaft kit for 1999-'06 HD® Big Twins except '06 HD® Dyna® are recommended for modified engines with larger displacement and higher compression. More torque and horsepower than bolt in cams can deliver. Requires high lift springs in all applications. An S&S oil pump and cam support plate, along with a stock 2007 and later style hydraulic cam chain tensioner upgrade is highly recommended for chain drive cams. Performance intake and exhaust is recommended for maximum performance increase.