American Expedition Vehicles has engineered the ProCal Module which quickly and easily recalibrates the ECM of the Jeep JK Wrangler and corrects te speedometer and gear ratio even with bigger ...

The ProCal allows calibration of tire sizes from 24 to 54 inches in diameter and gear ratios from 3.07:1 to 5.67:1. These ranges are much greater than any other JK programmer on the market today.

The Montana and Michigan-based AEV has already performed hundreds of HEMI conversions on the Jeep Wrangler TJ model. Customers have been strongly requesting a HEMI for JK.

For the money, the customer gets a two-inch (five centimeters) suspension kit, a jack base, AEV’s ProCal module, and satin black Pintler wheels with 35-inch BFGoodrich All-Terrain T/A KO2 tires.

AEV has announced three upfit packages for the Wrangler catering to shoppers with different budgets and needs. The first of these kits is known as the Upcountry and is offered for the Rubicon and ...

AUBURN HILLS, Mich., Aug. 23, 2023 /PRNewswire/ -- For new 2024 Jeep® Wrangler, American Expedition Vehicles (AEV) expands availability of upfit options to three packages: Upcountry, Upcountry+ ...