A complete advance unit kit updated with needle bearings for long life. The Twin Power™ Needle Bearing Advance Kit is a top quality advance unit with needle bearings at the advance weight pivot. It provides long term advance unit reliability. It can also be used to replace electronic ignition on 79-03 XL and L78-99 Big Twin.

• Complete kit includes the advance unit and related hardware for straightforward installation on points-style ignitions.
• Helps maintain consistent timing advance, improving throttle response and overall rideability on Shovelhead-era engines
• Updated with needle bearings at the advance weight pivots for reduced friction and extended service life.