Delivers high energy for optimum performance.
High rpm applications, Promaster coil
This electronic Promaster coil has a fast rise time and long spark duration for improved performance up to 10,000 rpm. Oil-filled polyester cases reduce energy loss from spark arcing. Brass terminals and spark plug type secondary terminals provide secure connections. It's made for use with a Mallory HyFire Ignition, where normal engine operation is above 4,000 rpm.