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 a 16°, 17°, 18°, 19°, and 20° retard module.

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MSD Ignition RPM Modules, 7, 000 to 7, 800 rpm, Set of 5

MSD Ignition RPM Modules, 7, 000 to 7, 800 rpm, Set of 5

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