Jet Performance 99112 JEEP 1991 4.0L Powertech Stage 1 Performance Chip for 1991 Jeep with 4.0L 6 Cylinder & 5-Speed Transmission
Quadratec Part #: 17608.0101
Jet Performance Part #: 99112 JEEP 1991 4.0L
Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.
- 50 State Legal - CARB E.O. Number D-234-5
Installs in less than 30 minutes and is legal in all 50 states.
- Shipping Weight: 1lb
- Shipping Dimensions: 8in x 8in x 3in (L x W x H)
Jeep Wrangler (YJ)
- 1991 Jeep Wrangler (YJ)
Jeep Cherokee (XJ)
- 1991 Jeep Cherokee (XJ)