Features a one-piece machined aluminum housing that reduces vibration and improves heat dissipation and reliability. Single-fire and dual-fire function built into a single module. Improved kick start algorithm design- starts as easily as with points. Initial timing marks allow precise adjustment and re-installation.
BCD switches with solid detent and legible markings allow easy and repeatable adjustments of mode, advance rate and rev limit. Flexible wiring harness makes installation easier.Sensor cover integrated into the housing to provide protection during installation. Includes Crane Cams single-fire coil and Crane Cams 8.5 mm double silicone premium quality spark plug wires. For use on Shovelhead 70-84, Evolution Big Twin 84-99(except EFI models) and XL 71-03 (except XL 1200S).