JSPEC™ Suspension by JKS products deliver American Ingenuity and Workmanship to consumers without compromising performance or dependability. JSPEC™ Suspension by JKS are comprised of JKS...More Details »
The Jspec Advanced Geometry Upgrade features control arm drop brackets and a draglink flip that return suspension and steering geometries of lifted JK Wranglers back to stock. This is easily the...More Details »
The Ultimate Lifted Suspension Protection Coverage and it’s FREE!
A 5 year - 100,000-mile plus drivetrain warranty is available for Jspec equipped vehicles as a Supplemental Drivetrain Limited Warranty to match your new vehicle express drivetrain limited warranty Jeep. The protection applies to any Jspec eligible suspension systems purchased on or after November 1st, 2013.
What is FMVS No. 126?
When you see the FMVSS Compliant Symbol you will know with confidence this application has been tested and successfully passed the Federal Motor Vehicle Safety Standard No. 126 compliance test. This highly specialized test was performed to prove the installation of the particular Jspec suspension system, with specified wheel and tire package will not compromise the performance and effectiveness of the vehicle’s Electronic Stability Control (ESC) system keeping you safer on the road.