RockJock Adjustable Greasable Johnny Joint Rear Trac Bar

2018–2026 Jeep Gladiator

RJ-150400-105

Overview:

The RockJock Adjustable Greasable Johnny Joint Rear Trac Bar is engineered specifically for Jeep Gladiator models from 2018 through 2026. Designed to enhance rear axle control and improve vehicle handling, this adjustable trac bar is ideal for Gladiator owners seeking superior suspension articulation and durability. Whether your Jeep is stock, equipped with RockJock’s Off Road Suspension System, or somewhere in between, this trac bar delivers precise axle positioning and reduces lateral movement for a smoother, more controlled ride on and off-road.

Built to withstand the rigors of off-road driving, the RockJock trac bar offers a bolt-on upgrade that improves suspension geometry and enhances overall vehicle stability. Its adjustable length allows for fine-tuning to accommodate lift kits or suspension modifications, making it a versatile choice for Gladiator enthusiasts.

Key Features:

This rear trac bar combines advanced materials and innovative design to provide reliable performance and long-lasting durability. Key features include:

• Adjustable length design for precise fitment and suspension tuning
• Greasable Johnny Joint rod ends for reduced maintenance and extended service life
• Constructed from 1.250 inch outer diameter x 0.188 inch wall 4130 chrome moly steel tubing
• 1 inch right-hand and left-hand threaded narrow 2 inch Johnny Joint rod ends at both ends
• Rubber limiting washers included to maintain vertical arm positioning without limiting articulation
• Durable semi-gloss black powder coat finish for corrosion resistance
• Gold zinc plating on forged Johnny Joint ends for added protection
• Bolt-on installation compatible with stock and modified Jeep Gladiator suspensions

Construction & Design:

The RockJock rear trac bar is crafted from heavy-wall 4130 chrome molybdenum steel tubing, known for its exceptional strength-to-weight ratio and resistance to bending or twisting under load. This premium material ensures the trac bar maintains precise axle alignment even in demanding off-road conditions.

Each end of the bar features RockJock’s proprietary Johnny Joint rod ends, which are greasable to allow for smooth articulation and reduced wear over time. The rod ends are threaded with both right-hand and left-hand threads, enabling easy length adjustment to suit various suspension setups. Rubber limiting washers are strategically included to keep the trac bar arm vertical, enhancing stability without compromising suspension travel.

The entire assembly is finished with a semi-gloss black powder coat that protects against corrosion and abrasion, while the Johnny Joint ends receive a gold zinc plating for additional durability and corrosion resistance.

Installation & Fitment:

This trac bar is designed for straightforward bolt-on installation with no welding or complex modifications required. It fits a wide range of Jeep Gladiator models from 2018 through 2026, including popular trims such as the 80th Anniversary, Altitude, Freedom, High Altitude, Launch Edition, Mojave, Mojave X, Overland, Rubicon, Rubicon X, Sport, Sport S, Texas Trail, Willys, and Willys Sport.

The adjustable length feature allows for easy alignment and fine-tuning to accommodate lifted suspensions or other aftermarket modifications, ensuring optimal rear axle positioning and improved handling characteristics.

What's Included:

• 1 x Adjustable rear trac bar fabricated from 4130 chrome moly steel tubing
• 2 x Greasable Johnny Joint rod ends (1 inch RH and LH threaded)
• Rubber limiting washers for frame end installation
• Installation hardware and instructions

Ideal For:

The RockJock Adjustable Greasable Johnny Joint Rear Trac Bar is perfect for Jeep Gladiator owners who demand enhanced rear suspension control and durability. It is especially suited for off-road enthusiasts, daily drivers with lifted suspensions, and anyone looking to improve their vehicle’s handling and axle articulation without compromising reliability or requiring extensive modifications.

RockJock 4x4 by John Currie develops trail-proven suspension and steering components for Jeeps and modern off-road platforms, including complete lift systems and the well-known AntiRock sway bar setups. Built around durable, articulation-friendly designs, RockJock is a go-to for enthusiasts who want confident road manners and real capability when the terrain gets technical.