S&S Cycle Camshaft Kit - 509G Gear Drive - Twin Cam

• Bolt in cams for 88 CID engines with stock compression ratios
• 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 that are possible with the gear kit
• Material must be removed from inner surface of the stock gear cover to install
• S&S recommends that adjustable pushrod/cover kit to be used
• Cam bearings and gaskets must be replaced when installing new cams
• Lowers loft allows cams to be bolted into 96"-106" '06 engines with stock valve springs
• Strongest from 1000-4500 rpm
• 180 psi cranking compression; no need for compression releases
• A hydraulic press and other professional level tools are required to install
• Kit includes cams, inner gears, outer drive gears, inner and outer bearings, gaskets and instructions
• Made in the USA

Notes

• Installer 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.