HEI or CDI?

http://www.pertronix.com/prod/new/details.aspx?ID=164
http://www.pertronix.com/prod/ig/flame/coils/60000_volt.aspx

Pertronix 4 pin HEI Flamethrower III module(with multi spark and rev limiter) used with a Pertronix HV Ecore coil and your electronic distributor should do the trick.

or you could have trailbeast set you up one of his HEI's