K&N Replacement Air Filter YZF-R1 '09–'14 Category_Waterpump Cover Capacity (20-hour rate): 4Ah

Capacity (20-hour rate): 4Ah

with a simple thumb release valve control for acid flow

Direct OEM replacement cast levers

14mm diameter T-locking pin anchors the lock together

Our RMS Labs took a best-selling voltage regulator and made it tougher by using highly reliable components to regulate the voltage

K&N Replacement Air Filter YZF-R1 '09–'14 Category_Waterpump Cover Capacity (20-hour rate): 4AhK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance while providing excellent engine protection for your motorcycle. Features: Designed to provide increased horsepower and torque. Pleated media provides a large filtration area, offering long service intervals. Multiple