These wires will work with a HEI (male cap) distributor. Theywill not work on a points (female) cap distributor. Spiral core is the best of both worlds because it gives you high performance without any interference on your radio and electronics.These spiral core wires produce higher performance through improved efficiency, quicker throttle response, and reduced emissions.
I've been looking for two years for correct plug wires for my 312 with electronic ignition. These wires had the 90 degree email ends on both ends. Th
I've been looking for two years for correct plug wires for my 312 with electronic ignition. These wires had the 90 degree email ends on both ends. They fit great. and I could use the proper wire loom brackets. I would purchase these again. Engine runs great.