MSD - Riding the dots! This one set the standard for programmable ignition control. and all wheelbases

and all wheelbases

Seat - 16 Series Economy Drag - 15-1/2 in Wide - 20 Degree Layback - Requires Hook Cover - Aluminum - Natural - Each

320 in Bore - Tapered - Aluminum - Black Anodized - Each

3L engines and is perfect for the person looking for a moderate sound level inside and outside of the truck

MSD - Riding the dots! This one set the standard for programmable ignition control. and all wheelbasesIf you're a consummate engine tuner and know how to take advantage of minute changes in timing during a quarter mile pass, then the Programmable Digital 7 Plus is the ignition for you! All of the standard programmable features such as Individual Cylinder Management, Step Retards, Rev Limits, Shift Points, and more are included in the Plus version but you also get more. Much, much more.