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Jet Performance 99112S Performance Stage 2 Module for 1991 Jeep Wrangler YJ & Cherokee XJ with 4.0L Engine & Manual Transmission

Quadratec Part #: 17608-0201
Jet Performance Part #: 99112S
Description
The JET Performance Module for Dodge, Chrysler and Jeep vehicles is a JET exclusive. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel ratio, ignition advance and various other tuning points provide performance gains of up to 25 horsepower. Improves throttle response, acceleration and low end torque. Simple, plug-in installation in less than 30 minutes.

CARB Notice

  • 50 State Legal - CARB E.O. Number D-234-5
Details

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.

Installation Notes
Installation Difficulty:
Skill Level 1 IconLevel 1Beginner
Installation Time: Less than an hour
Parts Included

JET Power Control Module

  • 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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