Manufacturer's Part Number: 1146A. Product Line: PerTronix Ignitor® Solid-State Ignition Systems. Ignitor for Delco 4 Cylinder. 140, From Serial 2508261 Delco. 1975-80 FL181, FL153 Delco Distributor. 110, From Serial 1537370 to 2044033 Delco Distributor.
