S&S MR103 Cam Kit for Twin Cam

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Price:
$409.95

Description

  • Camshaft gear drive kits increase 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; as a result, higher cam lifts are possible with the gear drive kit
  • Kits include cams, inner gears, outer drive gears, inner and outer bearings, gasket and instructions
  • Material must be removed from the inner surface of the stock gear cover to install S&S gear drive cams
  • A hydraulic press and other professional-level tools are required to install these kits
  • S&S recommends that adjustable pushrod/cover kit PART #0928-0017 be used
  • Cam bearings and gaskets must be replaced when installing new cams
  • Cams are also available with inner gears only; intended for cam replacement for motors that have already been converted to an S&S gear-drive system
  • Made in the U.S.A.
  • Cams for 00-06 Twin Cam are for use with stock splined drive gears; for installation on 99 Twin Cam motors you must purchase splined outer drive sprocket; S&S recommends that Andrews 4340 steel drive sprocket PART #DS-199175 be used
  • Cams for 06 Dyna and 07-16 Twin Cam are for use with models with hydraulic tensioner chain-drive system; require high-lift valve springs
  • Made in the U.S.A.
  • Broad torque curve improves output over stock over the entire rpm range
  • Bolt-in cam for 103” Twin Cam motors
  • Use with stock heads and low restriction intake and exhaust
  • GEAR DRIVE CAM KITS
  • Kits require high-performance valve springs (except 509G and 510G) when installed in 99-04 models.
  • 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.
  • CHAIN DRIVE CAM KITS
  • Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
  • NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

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