1991 Wrangler YJ & Cherokee XJ

1991 Wrangler YJ & Cherokee XJ

Options:
1991 Wrangler YJ & Cherokee XJ 4.0L, Auto; Stage 1 Performance Chip
  - JET-99111
Price: $291.78
Sale Price: $231.97
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

1991 Wrangler YJ & Cherokee XJ 4.0L, Auto; Stage 2 Performance Chip
  - JET-99111S
Price: $454.09
Sale Price: $340.57
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

1991 Wrangler YJ & Cherokee XJ 4.0L, Manual; Stage 1 Performance Chip
  - JET-99112
Price: $291.78
Sale Price: $231.97
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

1991 Wrangler YJ & Cherokee XJ 4.0L, Manual; Stage 2 Performance Chip
  - JET-99112S
Price: $299.88
Sale Price: $238.41
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Product Specs:

  • Manufacturer
    • JET PERFORMANCE PRODUCTS
  • Type
    • Performance Modules/Chips
  • Applications
    • 1991 Jeep Wrangler YJ
  •  
    • 1991 Jeep Cherokee XJ
  • Engine
    • 4.0L
  • Transmission
    • Manual or Automatic
  • Benefit
    • improves throttle response, acceleration and low end torque
  • Warranty
    • 2 Year Warranty

Features

  • Fits 1991 Jeep Wrangler YJ & Cherokee XJ
  • durable
  • lightweight
  • Stage 1 & 2
  • 4.0L Engine
  • manual or automatic transmission
  • features Dynamic Spectrum Tuning
  • point by point air or fuel ratio
  • various other tuning points
  • ignition advance
  • simple plug-in installation
  • backed with a 2 Year Warranty

What's Included?

  • (1) JET Performance Chip/Module
  • installation guide

These Performance Chips that were manufactured by JET offers you an easy plug-in installation, which you can do in less than 30 minutes. They will provide improved throttle response, acceleration and low end torque. These modules or chips also boast of their point by point air or fuel ratio, dynamic spectrum tuning, advance ignition and other tweaking points for higher performance. Lastly, these JET Performance Products are very durable and light. They are also guaranteed with a 2 Year Warranty. Get yours now at very low price. We ship for free!