Description: "The Original" 4x4 Posi-Lok Features
4x4 Posi-Lok Positive Axle Engagement System replaces the vacuum actuator with a cable operated actuator that puts the driver in control of the engagement...More Details »
Description: 4x4 Posi-Lok Positive Axle Engagement System replaces the vacuum actuator with a cable operated actuator that puts the driver in control of the engagement from inside the cab. After engaging the...More Details »
Description: "The Original 4x4 Posi-Lok" Perm-Lok Features
The Perm-Lok permanently engages the Central Axle Disconnect (CAD) system and couples both front axles permanently. Once installed, the front...More Details »
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.