Name: 635 H.O. Gear Drive Camshaft Kit
Brand: S&amp;S Cycle
SKU: 330-0335
Availability: InStock

635 H.O. Gear Drive Camshaft Kit

Reverses the rear cam’s direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam lifts are possible

High lift camshaft for modified engines with 106″ or greater displacement and compression ratios between 10.0:1 to 11.0:1

Increases valve and timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive

Works with stock, unported heads, but S&S CNC ported heads are recommended

Material must be removed from inner surface of the stock gear cover to install

A hydraulic press and other professional level tools are required to install

S&S requires that adjustable pushrod/cover kit be used

Cam bearings and gaskets must be replaced when installing new cams

Best power from 3000-6000 rpm

This is not a bolt in camshaft kit

Kit includes camshafts, inner gear, out gear drives, inner bearings, outer bearings, gaskets and instructions

Made in the USA

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.

Weight	4.08 lbs
Dimensions	12 × 12 × 12 in

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