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Camshaft Kit - 635 H.O. - Gear Drive - Twin Cam - 0925-0838

S&S Cycle  |  SKU: 0925-0838
$907.95
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  • 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.

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    635 H.O. Gear Drive Camshaft Kit
    S&S Cycle

    Camshaft Kit - 635 H.O. - Gear Drive - Twin Cam - 0925-0838

    $907.95
  • 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.
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