MSD Ignition 83647 GM Digital HEI ModuleIgnition Control Module GM Digital HEI Module GM Digital HEI Module; High Output For Stock And MSD Applications; Built In Adjustable Rev Limiter; Easy Installation; SPECIFICATIONS: WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov FEATURES: Easily installs to non computer controlled (4 Pin) HEI housings Built in adjustable rev limiter can easily be set externally Advanced

and the tail lights on your Super Duty

MPN: HTSOR-250-300-BLUE

MPN: 837-513WB

or the optional boost bar reverse light

48 oz (14 ml)

Fully Welded 1 pc

This System Does Not Affect Emissions

Amber Backlight

This extreme combination of power and performance makes ODYSSEY batteries perfect for a range of applications

Protects Winch From Over Heating During Heavy Use

This LED configuration: creates a similar light output profile as compared with the original filament bulb for an accurate beam pattern

It's not just brighter