DUI000222 by PERFORMANCE DISTRIBUTORS Ignition Control Module, Dyna-Module, GM HEI 4 Pin

Replacement Ignition Module Moroso/GM HEI Distributors Fits Moroso DuraFire Distributor Nos. 72230 & 72231 and any 4-pin GM HEI Distributor for 4-,6- and 8-cylinder engines High output module...

RPM Module Kits include five modules in 200 rpm increments. Each kit is within a 1,000 rpm range. For example, the PN 8745 is supplied with: 5,000, 5,200, 5,400, 5,600, 5,800 modules. Even Increments...