Programmable Digital-7 Plus - 7531 Promoted 9 L6 1963 - 1967

9 L6 1963 - 1967 Ford Country Sedan 289/4

smaller-than-standard hex head is for tight spaces

Pro Bandit and Street Bandit shifters

5 V8 1972 - 1973 Pontiac Firebird Trans Am 455/7

Programmable Digital-7 Plus - 7531 Promoted 9 L6 1963 - 1967Overview: If 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. A MAP sensor is required for the boost circuit. The