Compu-Fire, ignition module. Electronic advance. Race - 70-99 Big Twin (excl. Twin Cam, excl. injection models); 71-01 Sportster (excl. 1200S) (NU) 921469 Knurled left side helps with

Knurled left side helps with grip bar adhesion

Plenty installation options

oil pump drive gears

REPLACEMENT FOR 926744 GENERATOR WITH BUILT-IN REGULATOR

Compu-Fire, ignition module. Electronic advance. Race - 70-99 Big Twin (excl. Twin Cam, excl. injection models); 71-01 Sportster (excl. 1200S) (NU) 921469 Knurled left side helps withRace module, for electric start only. Offers retard max. advance and slower advance curves for turbo, supercharged or very high compression motors. 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 come with a built in static timing light