S&S 551 Cam Kit For Harley Twin Cam
  • S&S 551 Cam Kit For Harley Twin Cam - Chain Drive Cams
  • S&S 551 Cam Kit For Harley Twin Cam - Gear Drive Cams

This product is bike-specific
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$328.95 - $758.95
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Video Reviews (2)

S&S 551 Cam Kit For Harley Twin Cam Videos

S&S Cycle 551 Camshaft Kit For Harley Twin Cam

S&S has been in the business of making Harley-Davidson motorcycles go fast for a very long time, and their innovation in the world of bumpsticks is not exactly a secret. If you're looking for more power from your bike, a cam is a wonderful place to start - especially if you've already done most of the easy 'bolt-on' modifications. Installing an S&S cam is a surefire way to make your mill suit your riding style while getting maximum output.

551 Cam Info:

  • Originally designed as a bolt-in, high-torque cam for Touring bikes with compression ratios between 9:1 and 9:9
  • More power across the RPM range, with improved low and midrange torque
  • Strongest from 1000 RPM-4000 RPM
  • Can be used with some engines with stock valve springs, pushrods, and lifters; high-lift valve springs may be required for some applications
  • Intake open/close 18°/20°
  • Exhaust open/close 39°/15°
  • Intake duration 215°
  • Exhaust duration 237°
  • Lift .550"
  • Made in the USA
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