MSD GM High Energy HEI Module AN to AN O-Ring Fittings Does not fit cab &

Does not fit cab & chassis applications

Clamshell Style Collector Has an Extremely Low Profile So they'll Fit in Nearly Any Street Rod or Custom Build With Little Clearance

Fire Retardant Paint & Interior

4 bbl carbs

2001-2016 Ford Lobo

MSD GM High Energy HEI Module AN to AN O-Ring Fittings Does not fit cab &This all new Heat HEI Module supersedes the current PN 83645. Using upgraded components, the HEAT produces high output for stock and MSD applications plus has a built in rev limiter that is more accurate and easier to set with the engine running. Features: Easily installs to non computer controlled (4 Pin) HEI housings Built in adjustable rev limiter can easily be set externally Advanced dwell control for improved high rpm output The Hottest HEI