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.
For most Harley-Davidson riders, it makes little sense to try to increase engine performance in the 4,000 to 6,000 rpm range, when most of your riding occurs between 2,000 to 4,000 rpm, especially when doing may negatively affect your torque output.