Jet Performance 99111S Performance Stage 2 Chip for 1991 Jeep Wrangler YJ and Cherokee XJ with 4.0L Engine & Automatic Transmission
CARB Notice
- 50 State Legal - CARB E.O. Number D-234-5
Stage 2-Designed for the performance enthusiast, the Stage 2 features more aggressive programming to make the most horsepower and torque available. Fuel and timing curves are extensively modified for peak performance and drivability. Requires use of 91 octane fuel, 180 degree thermostat and free flow exhaust. Also works well with aftermarket intake systems, mass air sensors, TBI spacers, etc.
- Engine Size: 4.0L I-6
- Engine Fuel: Gasoline
- Shipping Weight: 1lb
Jeep Cherokee (XJ)
- 1991 Jeep Cherokee (XJ)
Jeep Comanche (MJ)
- 1991 Jeep Comanche (MJ)
Jeep Wrangler (YJ)
- 1991 Jeep Wrangler (YJ)
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