S&S 551 Cam Kit For Harley Twin Cam

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