Case | Case-IH 500B Ignition & Electrical Parts | Ignition & Related Parts | 21A304D

For 4 cyl. models w/ 12 volt negative ground systems or 6 volt systems converted to 12 volt negative ground systems only.

Dim A (1): Never change points again.

Dim B (2): Easy installation, no complicated wiring, fits entirely inside distributor.

Dim C (3): Increases spark plug life & horsepower, improves fuel economy.

Dim D (4): Precision engineered solid state electronics.

Dim E (5): For Delco Distributor Part #: 1885368