Davis Unified Ignition Dyna-Mod Module - 4 Pin Micro / Mini Sprint Brake Components No frame drilling required

No frame drilling required

2 or 2-1/2 in Inlet

77 cc Chamber

and improve shifting performance

Contains one 18" long 6005A-T5 Aluminum Fuel Rail

Davis Unified Ignition Dyna-Mod Module - 4 Pin Micro / Mini Sprint Brake Components No frame drilling requiredHigh Performance 4 Pin Dyna Module All V8, 6 Cylinder and 4 Cylinder engines utilizing our DUI Distributor or GM HEI Distributor Non Computer Controlled For a crisper, smoother running engine, replace your stock HEI module with the Dyna Mod. The Dyna Mod has more "electronic dwell" in it to provide more coil saturation time. The additional saturation time allows the coil to produce a more intense spark. Our Street Strip and Racing D. U. I.