The S&S 551 cam is designed for engines with 96 to 106 CID and 9:1 to 10:1 compression this is a bolt-in cam set designed for stock or mildly modified touring bikes. Greatly improves low-end and midrange torque, strongest from idle-4000rpm.
S&S Chain Drive Easy Start Cams are a great way to increase performance at an affordable price, are installed in a short period of time reusing many stock components, and Easy Start Cams allow stock starter to start any engine. Can be used with stock valve springs.
551CE Cam kit includes cams, gearcover gasket, cam bearings, and instructions.
Fits 2007-'16 Harley-Davidson® big twin and '06 HD® Dyna®
Fuel injection tuning required.
551 cams are not recommended with compression ratio of 10:1 or higher.
S&S can do a special order cam. Contact your S&S Customer Service Representative for more information.
Not legal for sale or use on CA or EPA pollution controlled motorcycles.