Case | Case-IH 470 Ignition & Electrical Parts | Ignition & Related Parts | 21A318P

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 Prestolite Distributor Part #'s: 107573C91, 121689C1, 534496R91, 404967R91

Dim F (6): For Prestolite Distr. #'s: IBT4702, 4405, 4707, 4705, 4105, 4403A, 4404, 4404A, 4402, 6003, 4102A