Jet Performance 29001 Engine Control Module PROM

Part Number
Jet Performance Upgrade Stage 1 Computer Chip

Fits: 90 Chevrolet C1500, 90 Chevrolet C2500, 90 Chevrolet K1500, 90 Chevrolet K2500, 90 GMC C1500, 90 GMC C2500, 90 GMC K1500, 90 GMC K2500

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Jet Performance Chips offer the most horsepower available for your 1981-1995 GM car, truck or SUV. Add up to 23 horsepower instantly with simple, plug-in installation! Only Jet Performance Chips provide exclusive, full range Dynamic Spectrum Tuning of the air and fuel ratio, ignition advance, transmission and various other parameters. Each program is track and dyno tested to ensure the most possible horsepower and drivability from each application. 50 state smog legal.

BRAND: Jet Performance


  • Each Program Is Track And Dyno Tested
  • Offers The Most Horsepower Available
  • Jet Performance Upgrade Stage 1 Computer Chip;
  • Jet Performance Upgrade Stage 1 Computer Chip
  • Provides Exclusive Full Range DST Programming


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WARNING CA Proposition 65 MessageWarning Cancer and Reproductive Harm

CARB E.O. D-234-3 ECM Located Behind Glove Compartment




    • 1990-1990 Chevrolet K1500
    • 1990-1990 GMC K1500
    • 1990-1990 Chevrolet C2500
    • 1990-1990 Chevrolet K2500
    • 1990-1990 GMC C1500
    • 1990-1990 GMC K2500
    • 1990-1990 GMC C2500
    • 1990-1990 Chevrolet C1500
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