Compu-Fire, ignition module. Electronic advance - 70-99 Big Twin (excl. Twin Cam, excl. injection models); 71-01 Sportster (excl. 1200S) (NU) 507160 With its reinforcement leather palms

With its reinforcement leather palms and ergonomic fit

Megaphone muffler with billet end cap

27376-28 (floatbowl nut copper crush ring)

which helps with hand fatigue during long rides

Compu-Fire, ignition module. Electronic advance - 70-99 Big Twin (excl. Twin Cam, excl. injection models); 71-01 Sportster (excl. 1200S) (NU) 507160 With its reinforcement leather palmsFor electric start models only. Selectable single dual fire and or single dual plug. Selectable advance & RPM limiter. With 8 advance curves and 8 RPM limits, from 6000 up to 7500 RPM, it can be adjusted to fit your specific engine. Easy selection by a rotary switch on the ignition unit. Module comes with a built in static timing light and feature a extended temperature and low voltage operation with soft start circuitry for easy starting.