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1991 Chevrolet C3500 Engine Control Module PROM

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We have 2 engine control module prom products to choose from for your 1991 Chevrolet C3500, and our low-cost options range from $123.74 up to $163.98

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Jet Chips Engine Control Module PROM 3089-07723522 Click to Enlarge
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Jet Chips Engine Control Module PROM
Part Number: 3089-07723522
Brand: Jet Chips
Notes: Jet Performance Upgrade Stage 1 Computer Chip -- CARB E.O. D-234-3; ECM Located Behind Glove Compartment
  • Offers The Most Horsepower Available
  • Each Program Is Track And Dyno Tested
  • Provides Exclusive Full Range DST Programming
Condition: New
Shipping Options: Ground
$123.74
(1) In Stock
This Part Fits:
Catalog: C
Vehicle Engine Transmission
1991 Chevrolet C3500 5.7L V8 SM465/M20
Hypertech Engine Control Module PROM 3089-07433399 Click to Enlarge
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Hypertech Engine Control Module PROM
Part Number: 3089-07433399
Brand: Hypertech
Notes: ThermoMaster Power Chip -- Not For Sale Or Use In California; Cooling Fan Adjustment~Fits 4.10 And 4.56 Rear Gear Ratio~For Use With Premium Octane Fuel~Performance Tuning~Transmission Tuning
  • No Wiring Or Soldering Required
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Spark Advance For Max Power
  • Controls Engines Air/Fuel Ratio
  • Potential Gas Mileage Improvements
  • Installs In Less Than 30 Minutes
Condition: New
Shipping Options: Ground
$163.98
(1) In Stock
This Part Fits:
Catalog: C
Vehicle Sub Model Engine Transmission
1991 Chevrolet C3500 Cheyenne 7.4L V8 Automatic
1991 Chevrolet C3500 Silverado 7.4L V8 Automatic
1991 Chevrolet C3500 Scottsdale 7.4L V8 Automatic