Introduced as an emission reduction device for numerous vehicles in the 1970s, the transmission controlled spark system restricts vacuum advance when the engine is operating at its normal temperature. For 1971 Chevrolet C/K pickup trucks as well as Blazer and Suburban models of the same year, this transmission controlled spark harness is important for maintaining factory performance.
- Transmission controlled spark harness compatible with 1971 Chevrolet C/K pickup trucks, Blazers and Suburbans
- For use only on vehicles with V8 engines and TH400 three-speed automatic transmission
- Kickdown wiring included
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Years |
| Chevrolet |
Corvette |
1967 |
IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
