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 Cycle 510 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.
510 Cam Info:

Originally designed as a bolt-in, high-torque cam for 88″-103″ motors with compression ratios below 9.7:1

Lower lift allows them to be bolted into some stock engines with stock valve springs, pushrods, and lifters; high-lift valve springs may be required for some applications

Strongest response from 3000 to 5500 RPM

Intake open/close 20??/38??

Exhaust open/close 52??/20??

Intake duration 238??

Exhaust duration 252??

Lift .510″

Made in the USA