Since 1989, JKS Manufacturing has developed some of the world’s most widely used and respected products for Jeep® vehicles. It all started when they pioneered the original Quick Disconnect™ brand of quick-release swaybar disconnects. Since then their product range has expanded to include such favorites as the ACOS™ line of height-adjustable coil spring spacers, and perhaps our most advanced creation to date, the variable-rate SwitchBlade™ Swaybar System.

JKS is proud of the fact that they continue to manufacture all of their products in the USA, using only premium grade materials and state-of-the-art machinery. You can always rely on JKS products to provide unquestionable benefits to vehicle performance. From cushioning hard suspension impacts off-road, to restoring the geometry of your suspension for safer and more predictable handling on-road, our products improve the experience of owning and operating a Jeep vehicle.

Because JKS products take advantage of Original Equipment components and technology whenever possible, vehicle drivability and reliability are not compromised. Discover why recreational and competitive Jeep enthusiasts around the world insist upon JKS products to improve vehicle performance, reliability and versatility. It's no coincidence that those who know Jeep performance best choose JKS products for their own vehicles.

J-Rated: A lift kit designed for you from JKS Manufacturing!

By TJ Jackson | April 24, 2020

Say hello to J-Rated. A visual terrain scale and collection of suspension systems that take the guesswork out of building your Jeep’s chassis. It’s like asking a JKS suspension tech to join you on your next Jeep adventure. They could ride along and evaluate your Jeep’s performance. With that knowledge, that same JKS rep could point you towards the ideal lift kit for the way you drive your Jeep. JKS has done just that its new J-Rated Terrain Scale and complete suspension packages.

Talking Flex Connect with JKS Manufacturing. What is it, and why do you need it?

By TJ Jackson | April 10, 2020

When it comes to offroading, Sway Bar Disconnects are a time-honored tradition. They’re like a rite of passage. If you need to disconnect your sway bar end links, then you must be a serious Jeep nerd. While JKS Manufacturing did not invent the quick disconnect sway bar links, we did invent the Quicker Disconnect – A design that easily bolts onto your Jeep and makes off-road performance more obtainable. While often copied, JKS Quicker Disconnects are still the best solid sway bar end links you can buy for your Jeep. We’re proud of that design. At the same time, since we’re always looking for the next big idea.

J-Flex Front Adjustable Upper Control Arms Wrangler JL & Gladiator JT from JKS Manufacturing

By TJ Jackson | October 21, 2019

JKS Manufacturing adds to its lineup of suspension upgrades for the Jeep Wrangler JL and Gladiator JT with new J-Flex front adjustable upper control arms. These front J-Flex uppers join the existing upper and lower control arms options giving you the ability to make significant improvements to the strength and performance over the stock control arms. These arms are constructed from high strength DOM tubing and feature robotically welded ends to ensure precision welds and strength. At the frame mount a forged end is threaded in allowing plenty of adjustability for use with with a wide range of ride heights from stock to 6″ of lift. The forged ends allow 15 degrees of articulation in either direction and can be easily serviced at the grease fitting. These arms come fully assembled right out of the box finished in a gloss black powdercoat. Upgrade your JL/JT front upper control arms with JKS Manufacturing.

3-3.5″ J-Rated Suspension System Jeep Gladiator JT from JKS Manufacturing

By TJ Jackson | August 12, 2019

JKS Manufacturing launches the first of several Jspec lift systems for the new Jeep Gladiator JT, 3-3.5” J-Rated Systems allowing clearance for 35-37” tires. Engineered to maintain on-road comfort and handling while improving offroad capability, these new 3-3.5″ J-Rated Systems build on JKS’s legacy of innovative solutions building a true dual purpose platform ready to tackle your next off-road adventure or highway commute to and from the office.

Flex Connect Master Kit for Jeep Wrangler JL from JKS Manufacturing

By TJ Jackson | May 7, 2019

Since the initial launch, the JKS Manufacturing’s Flex Connect has been a huge hit allowing Jeep owners to easily tune their vehicle’s handling characteristics for improved on and off-road use. The spring loaded sway bar link design gives Jeep owners the freedom to transform their factory sway bar into a tunable performance sway bar to better control body roll, smooth out rough terrain and improve wheel travel out on the trail all while catering to individual performance needs and driving styles. Currently offered for the JK, TJ, XJ, MJ, WJ, and ZJ, JKS Mfg is excited to announce the launch of a new offering for the late model 2018-2019 Jeep Wrangler JL at a new lower introductory price point. In stock and ready to ship, these new Flex Connect Master Kits include a complete package combining the flex connect, spring options and wrenches into one all inclusive package. The master kits include the flex connect and an adjustable quick disconnect link, mounting hardware, retention brackets, a pair of each of the street-trail-crawl rate springs and the assembly wrenches. All of this is being offered at an introductory price point as previously base Flex Connect kits. Get more from your new Jeep Wrangler JL with JKS Mfg.

Tailgate Vent Cover Jeep Wrangler JL from JKS Manufacturing

By TJ Jackson | May 6, 2019

JKS Manufacturing adds to their lineup of suspension parts and accessories for the 2018-2019 Jeep Wrangler JL with a slick new tailgate vent cover kit. This new tailgate vent cover is perfect for JL owners looking to remove the factory tire carrier and reposition the license plate off the factory rear bumpers, a necessity if upgrading to an aftermarket rear bumper. The no drill design installs easily and looks great with an integrated license plate mount with LED light for DOT compliance. It also includes a new backup camera mount to reinstall the factory backup camera at the optimal position. Upgrade your JL with this new tailgate vent cover from JKS.

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