DUI 000222 Dyna-Module Ignition Module 4-Pin DUI/HEI


  • More electronic dwell
  • Better throttle response
  • Increased performance
  • Easy installation
SKU: DUI000222 Categories: ,

For a crisper, smoother running engine, replace your stock HEI module with the Dyna-Module. The Dyna-Module 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, improving throttle response and low end power! Installation is easy as the Dyna-Module mounts in the stock location of an HEI module with no modifications.

  • 4-pin
  • Replaces stock HEI modules

Note: Fits all V8, 6 Cylinder and 4 Cylinder DUI / HEI Distributors.




Manufacturer Part Number


DUI Dyno-Module Ignition Module

For all V8, 6 Cylinder and 4 Cylinder DUI / HEI Distributors

Replace your stock HEI module with the Dyna-Module for a crisper, smoother running engine.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.