This kit is a quick fix for the Jeep TJ Rubicons, JKs & Power Wagons. This kit tells the computer system that the vehicle is in low ratio, disabling the ESP on JKs and enabling the locker option on the TJ Rubicons & Power Wagons. This kit will not light the 4WD dash light in high range. It will work on the Jeep JKs, however, Kit 300377A is a control module that keeps all the stock Jeep functions as well as the dash light in 4WD high. The 300377A is the most recommended kit for the Jeep JKs.
Advance Adapters got its start in Downey, California in 1971 with a single adapter mating a Muncie car 4-speed to a Jeep Dana 18 transfer case. Eventually headers, overdrives, motor mounts and linkage brackets were added to the offerings to complement their core adapter components. When interest in rock crawling spiked in the mid-1990s, Advance Adapters offered low ratio transmission swaps then switched gears into the ultra-low gear transfer case arena. Today, the company is based in Paso Robles, California and their engine and transmission conversions for Jeeps are in kit form and sold as individual components. Shop Advance Adapters Now