ACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical...

Engineered for higher energy output resulting in quicker starting, improved idle quality, crisper throttle response and more high RPM power. Compatible with both original HEI ignition systems and later model...

The MSD HEI Coil is designed for use with the MSD High Output HEI Module, PN 8364. It will work with stock ignition modules, but for maximum output use the...