Fits Harley Davidson

1957-1977 XL Models (Point Trigger Ignitions)

1948-1977 FL / FX Models (Point Trigger Ignitions )

1978-Present XL Models ( Electronic Trigger Ignitions)

1978- Present FL /FX Models ( Electronic Trigger Ignitions)

ACCEL's premium quality American made Rev Master is a pre-set by the rider to a specific RPM limit. When engine speed reaches this RPM, the Rev Master interrupts coil triggering, thereby preventing engine damage due to over-revving.
The Rev Master is precise to within +/- 100 RPM of the selected limit, is compact in size ( 4 3/4" x 2 1/2" )