The is for a brand new (never installed) Allison XR700 Model #700-0231 Electronic Ignition with an installation kit (2231) for a four cylinder engine.
FAST XR700 Points-To-Electronic Ignition Conversion Kits
Convert your points-type distributor to an electronic ignition with this FAST XR700 ignition module. They offer increased timing accuracy and replace many Bosch, Lucas, Hitachi, and ND units. They feature an all-new status LED light for easy diagnostics and are fully potted for protection from dirt, moisture, and vibration. They're also highly reliable and precise, with their optical trigger design, and have a more powerful signal than points-type distributors.