IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.Replaces Points & Condenser With Modern Electronic Ignition Completely Hidden Inside Your Stock Distributor HEI Gives Improved Mileage And Horsepower Huge Dwell Accuracy Improvement Magnetic Type Sensor Never Requires Adjustment Must Use Flame Thrower Coil Bolts In Place Of Points & Has Simple Two Wire Hook-Up Fits 1957-74 GM V8 Distributors Small Block And Big Block Works On 348 And 409 Motors Instructions Included
| Make | Model | Years |
| Chevrolet | El Camino | 1959 - 1974 |
| GMC | Sprint | 1971 - 1974 |
