This kit includes five, plug-in retard modules for use in MSD timing controls and ignition boxes with built in timing control.

The kit comes with an 11°, 12°, 13°, 14°, and 15° retard module.
This kit includes five, plug-in retard modules for use in MSD timing controls and ignition boxes with built in timing control.

The kit comes with an 11°, 12°, 13°, 14°, and 15° retard module.