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Smooth advance for ignition timing has reached a new level of performance and reliability with our roller bearing advance kit. Roller bearings at the pivots of the advance weights gives the proper amount of ignition advance at the right time every time. Included are all the parts to make the ignition up-to-date with better-than-new performance. Includes the roller bearing weights installed on a quality advance unit shaft and plate, circuit breaker base plate, points cam, wiring harness, springs and timing screws.
Note
Fits Harley-Davidson Big Twin 70-E78 & Sportster XL 71-E78
