Fitments
70-99 Big Twin (excl. Twin Cam) and 71-01 Sportster (excl. 1200S). Models with mechanical advance
Part Description
Compu-Fire, ignition module, wire & coil kit. Race
Single fire. With racing retard 538407 ignition module. For electric start models. Offers retard max. advance and slower advance curves for turbo, supercharged or very high compression motors. 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. Comes with a single fire ignition coil and a set of universal spark plug wires. Note: A tach adapter (MCS 538408) is required to correct tacho-output when using single fire ignition, for correct RPM representation.