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S&S 465 Cam Chest Kit For Harley

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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

S&S 465 Cam Chest Kit For Harley Milwaukee-Eight

Big horsepower numbers are the status symbol of a performance engine, but more often than not, the bolstered torque spec is what you really feel when riding it. This is particularly relevant for the heavy touring machines as it’s torque that rockets you onto the highway and it’s definitely torque that lets you effortlessly push a loaded bagger around slower traffic. Produce stump pulling torque down low in the RPM range as well as maintain respectable horsepower numbers.


  • Created for M8 powered bikes
  • Kits include cam, oil pump, cam plate, pushrods, pushrod tubes, tappets, tappet cuffs, valve springs, top and bottom collars, keepers, and seals
  • Gear drive kits include drive gears
  • Made in the USA

Oil Pump/Cam Plate Info:

  • Precision machined from billet aluminum
  • Passage plugs removable for servicing
  • Independent scavenge sections for flywheel cavity and cam chest
  • Debris screens in both scavenge pickups
  • Magnet in cam chest to help stop debris from entering oil pump
  • 44% flow increase on supply side and 58% on scavenge side
  • Pressure relief valve is adjustable with unit installed

465 Cam Info:

  • Front Intake open/close 2.6°/14.6°
  • Front Exhaust open/close 30.1°/8.8°
  • Rear Intake open/close 2.8°/14.4°
  • Rear Exhaust open/close 33.1°/5.8°
  • Front Intake duration 197.2°
  • Rear Intake duration 197.2°
  • Front Exhaust duration 218.9°
  • Rear Exhaust duration 218.9°
  • Intake Lift .462"
  • Exhaust Lift .462"
  • Front Intake Lobe Center Line 96.0°
  • Front Exhaust Lobe Center Line 100.6°
  • Rear Intake Lobe Center Line 95.8°
  • Rear Exhaust Lobe Center Line 103.6°
  • Front Intake Lift at TDC .087"
  • Front Exhaust Lift at TDC .109"
  • Rear Intake Lift at TDC .088"
  • Rear Exhaust Lift at TDC .098"
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