A bicuspid aortic valve is an aortic valve that only has two leaflets, instead of three. The aortic valve regulates blood flow from the heart into the aorta, the major blood vessel that brings blood to the body.
Only customers who have engine and performance work as well as a full dynometer run provided by Harley-DavidsonÂ® of Jamestown resulting in 100+ horsepower qualify to be an elite member of the Harley-DavidsonÂ® of Jamestown 100+ horsepower club. Stock Harley-DavidsonÂ® motorcycles are not qualified.
The Twin Cam gets its name from the fact that it has two cams in the crankcase to activate the valves. At 88 cubic inches (1,450 cc) of displacement, it was the largest Harley motorcycle engine at the time, and it produced 80 horsepower. The engine was air-cooled, and used overhead valves activated by pushrods.