Synergy Suspension by Poly Performance Manufacturing, Inc. is an industry innovator, manufacturing high-end automotive performance components. These components are proudly made in the USA.
In addition to suspension products, Synergy Suspension also manufactures a complete line of skid plates, bumpers and other related products that dramatically improve vehicle on and off road capability, performance, and appearance.
Jeep JK Dana 30/44 Inner C Upper & Lower Gusset Kit. Designed to be welded to the front C-Yokes of the Jeep JK Dana 30 or 44 axle. Brackets are laser cut and CNC bent from 1/4" high strength carbon steel... more
Inner Axle Sleeve Kit designed for the 1997+ Jeep TJ Dana 30 front axle. Designed to increase the strength of the Front Dana 30 Axle housing that is prone to bending when larger off road tire are installed and used off road... more
Inner Axle Sleeve Kit designed for the 2007+ Jeep JK Dana front axles. Designed to increase the strength of the Front Dana Axle housing that is prone to bending when larger off road tire are installed and used off road... more
With a simple ratio change, the Poly Performance gear sets reduce engine strain, improve fuel mileage, and provide more pulling power for uphill climbs and rock crawling... more
With a simple ratio change, the Poly Performance gear sets reduce engine strain, improve fuel mileage, and provide more pulling power for uphill climbs and rock crawling... more
Inner Axle Sleeve Kit designed for the Jeep TJ Dana 44 front axle. Designed to increase the strength of the Front Dana 44 Axle housing that is prone to bending when larger off road tire are installed and used off road... more
This adapter is for use when installing a 35 spline ARB RD-157 Air Locker in a JK Rubicon Dana 44 axle housing. It enables you to mount the ARB bulkhead fitting through the factory electric locker hole which eliminates the drilling and tapping of the diff housing for the bulkhead fitting with a simple bolt on part.
Made in USA
Jeep Parts & Jeep Accessories Take your Jeep to the next level with the parts found on our site. We are a leading Jeep accessories retailer, providing performance products for our customers. We work hard to give you the best information to turn your vehicle into a top-notch ride. Whether you are looking for 4wd suspension parts & accessories or want improved Jeep performance, we have the parts & Jeep accessories you need.
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. [1]
