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Granatelli Big G Diesel Module

The Granatelli Big G Diesel Module offers two adjustment levels, one for towing and the other for all out performance. The Big G makes it easy to switch modes via a toggle switch. Housed in a durable and attractive black, hard anodized enclosure, the Granatelli Big G is also easy to install, and does not require a t-tap, hooking up to the fuel pump, or any cutting or wiring.

  • Increase HP and torque
  • Two adjustment settings
  • In cab monitor available separately
  • Automatic defuel mechanism keeps EGT at safe temperatures
  • Two performance options 75 HP or 100 HP
  • Smog legal
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    Showing 1-17 of 17 products
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    Granatelli 980100-1 Big G Diesel Monitor
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    Granatelli Part Number: 980100-1
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $450.99
    Sale Price:
    $312.29 (you save: $138.70)
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    Granatelli 980517-100 Big G Diesel Module - 100HP
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    Granatelli Part Number: 980517-100
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $719.99
    Sale Price:
    $498.59 (you save: $221.40)
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    Granatelli 980517-2 Big G Diesel Module And In-Cab Monitor - 100HP
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    Granatelli Part Number: 980517-2
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $1321.99
    Sale Price:
    $915.29 (you save: $406.70)
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    Granatelli 980517-3 Big G Diesel Module And In-Cab Monitor - 140HP
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    Granatelli Part Number: 980517-3
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $1411.99
    Sale Price:
    $977.39 (you save: $434.60)
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    Granatelli 980517-70 Big G Diesel Module - 75HP
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    Granatelli Part Number: 980517-70
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $564.99
    Sale Price:
    $391.49 (you save: $173.50)
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    Granatelli 981517-100 Big G Diesel Module - 100HP
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    Granatelli Part Number: 981517-100
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $719.99
    Sale Price:
    $498.59 (you save: $221.40)
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    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 981517-2 Big G Diesel Module And In-Cab Monitor - 100HP
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    Granatelli Part Number: 981517-2
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $1321.99
    Sale Price:
    $915.29 (you save: $406.70)
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    Free!
    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 981517-3 Big G Diesel Module And In-Cab Monitor - 140HP
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    Granatelli Part Number: 981517-3
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $1411.99
    Sale Price:
    $977.39 (you save: $434.60)
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    Usually ships within 72 hours. Details:
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    Granatelli 981517-70 Big G Diesel Module - 75HP
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    Granatelli Part Number: 981517-70
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $564.99
    Sale Price:
    $391.49 (you save: $173.50)
    Shipping:
    Free!
    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 982517-100 Big G Diesel Module - 100HP
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    Granatelli Part Number: 982517-100
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $719.99
    Sale Price:
    $498.59 (you save: $221.40)
    Shipping:
    Free!
    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 982517-2 Big G Diesel Module And In-Cab Monitor - 100HP
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    Granatelli Part Number: 982517-2
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $910.99
    Sale Price:
    $630.89 (you save: $280.10)
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    Usually ships within 72 hours. Details:
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    Granatelli 982517-3 Big G Diesel Module And In-Cab Monitor - 140HP
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    Granatelli Part Number: 982517-3
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $1411.99
    Sale Price:
    $977.39 (you save: $434.60)
    Shipping:
    Free!
    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 982517-70 Big G Diesel Module - 75HP
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    Granatelli Part Number: 982517-70
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $564.99
    Sale Price:
    $391.49 (you save: $173.50)
    Shipping:
    Free!
    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 983517-100 Big G Diesel Module - 100HP
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    Granatelli Part Number: 983517-100
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $719.99
    Sale Price:
    $498.59 (you save: $221.40)
    Shipping:
    Free!
    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 983517-2 Big G Diesel Module And In-Cab Monitor - 100HP
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    Granatelli Part Number: 983517-2
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $685.99
    Sale Price:
    $474.46 (you save: $211.53)
    Shipping:
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    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 983517-3 Big G Diesel Module And In-Cab Monitor - 140HP
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    Granatelli Part Number: 983517-3
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $877.99
    Sale Price:
    $608.39 (you save: $269.60)
    Shipping:
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    Availability:
    Usually ships within 72 hours. Details:
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    Granatelli 983517-70 Big G Diesel Module - 75HP
    Click To Enlarge
    Granatelli Part Number: 983517-70
    Part Name: Computer Module
    Fits select Dodge vehicles
    Retail Price:
    $564.99
    Sale Price:
    $391.49 (you save: $173.50)
    Shipping:
    Free!
    Availability:
    Usually ships within 72 hours. Details:
    Average Review:
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    Granatelli Big G Diesel Module - Product Details


    In performance mode, the Big G raises your rear wheel HP to 140 HP and 250 lbs.ft. or torque safely and reliably, without raising your EGTs to dangerous levels.
    With the Big G In-Cab Monitor, you can view over 20 different gauge displays, including turbo boost pressure, water temperature, air inlet temperature, engine RPM, MPH, horsepower and torque, voltage, and barometric pressure.
    Should EGTs creep up too close to dangerous levels, the Big G will automatically defuel. The Granatelli Big G can also display and clear Diagnostic Trouble Codes. And with an easy-to-use, one button display, you'll never have to take your eyes off the road to operate the Big G.