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MG Diesel

AFC Upgrade Kit

$30.00

AFC Upgrade Kit

$30.00
SKU:
MGD-AFC
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Product Description

The stock spring in the AFC housing is too short and stiff to deliver the top performance many want out of our Cummins trucks. It makes tuning difficult and the fuel curve is very conservative. Other aftermarket springs can be too soft. This allows the pump to fuel too soon in the power band and can reduce mileage, create heat when towing, and cause excessive smoke output.

This replacement kit comes with a new spring that is correct length for the housing, allows for a much more useful fuel curve, and overall better performance over the competition. This will give more horsepower throughout the power band and even bigger gains on the top end. It works well on stock trucks as well as trucks with fueling upgrades. It is recommended to have both boost and pyrometer gauges installed to monitor performance.
This replacement kit comes with a new spring that is correct length for the housing, allows for a much more useful fuel curve, and overall better performance over the competition. This will give more horsepower throughout the power band and even bigger gains on the top end. It works well on stock trucks as well as trucks with fueling upgrades. It is recommended to have both boost and pyrometer gauges installed to monitor performance.
For maximum performance, use with a boost elbow.

May work with some agricultural, RV, and marine applications. If unsure, please send us a message.


Features

·Replacement AFC Spring

·Replacement diaphragm washers

·New bolts to replace break off bolts

 

·Easy to follow instructions included

 

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