This kit replaces the stock output shaft of the Dana 300 transfer case (1981-86) with a heavy-duty output shaft. The new shaft is better suited for high-torque and high-stress situations because it is thicker and stronger... more
The Extreme Short Shaft kit is what short wheelbase Wrangler owners have been
dreaming of for decades. The Extreme kit not only improves on strength, but also
increases driveshaft lengths by up to 7" over a stock application... more
This shift link adapter kit will make shifting your 231 into all low range sectors
simple and fluid. This adapter kit changes the trouble prone stock linkage which is not reliable due to independent body & drivetrain movement... more
The JK Axle Sleeve and Gusset kit is designed to reinforce the weak axle tubing and knuckles on JK Dana 30 or 44 factory axles. The sleeves are designed to slide inside the factory tubes and provide increased durability and support throughout the axle... more
TeraFlex driveshafts are designed as replacements to the factory for the rigors
of off roading and for daily driving responsibilities. They come pre-balanced and
feature premium heavy duty u-joints... more
The Tera Low231 conversion kit is the solution for providing Wranglers, Cherokees, and Comanches with low crawl ratios. This kit provides rock-crawling performance without affecting high range gears for daily drivers, or the trip to and from the back country... more
This overhaul kit for Dana 300 Contains all the bearings and seals to completely overhaul the Dana #300 transfer case. Kit includes intermediate shaft, shim set for bearing adjustment and shift fork friction pad set.
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The terms Quadratec and Essentials are Registered Trademarks of Quadratec Incorporated, Registered in U.S. Patent and Trademark Office. All manufacturers names, numbers, symbols and descriptions are used for reference purposes only, and it is not implied that any part listed is the product of these manufacturers or approved by any of these manufacturers.
*Jeep, Wrangler, Rubicon, Renegade, CJ, Quadra-Trac and the Jeep Grille Design are registered trademarks of Chrysler LLC. Quadratec, Inc, has no affiliation with Chrysler LLC. Throughout this website and catalog the terms Jeep, Wrangler, MOPAR®, & Rubicon are used for identification purposes only. Geo is a registered trademark and Tracker is a registered trademark of the General Motors Company. Sidekick and Samurai are trademarks of Suzuki Motor Corporation. Amigo is a product of Isuzu Motors Limited. Chevrolet, the Chevrolet Emblem, S Series, GMC, GMC Truck, Chevy, Vortec and Sonoma are registered trademarks of the General Motors Company. Expedition, F-Series, F-150, F-250, F-350, Super Duty and Flare Side are registered trademarks of the Ford Motor Company. All other marks, names, and logos mentioned on this web site are the property of their respective owners.
Throughout this web site all the preceding marks & logos are used for identification purposes only. Quadratec has no affiliation with the Chrysler LLC, MOPAR®, General Motors Company, Ford Motor Company, Suzuki Motor Corporation or Isuzu Motors Limited. It is not implied that any part listed is a product of, or approved by Chrysler LLC, General Motors Company, Ford Motor Company, Suzuki Motor Corporation or Isuzu Motors Limited.
Quadratec, Inc. is sometimes mis-searched as Quadartec and Quadratech, we have no affiliation with either.