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Build a Custom Antirock System for a Rock Buggy or Tube Chassis
RockJock's CE-9901A-18 is a universal Antirock sway bar kit for builders fabricating their own custom rigs and rock buggies rather than fitting a specific factory Jeep chassis. The kit supplies a 36 in. by .750 in. diameter chromoly torsion bar, 18 in. billet aluminum arms, adjustable heim-jointed end links, and the mounting tube and bushings needed to weld the system into a custom frame.
Key Features
- 36 in. long, .750 in. diameter torsion bar for a universal, fabricated installation
- 18 in. long billet aluminum sway bar arms
- Adjustable 1/2 in.-20 RH/LH threaded end link rods, trimmable to length
- Universal weld-in 1.75 in. x .095 in. wall DOM mounting tube sized to the bar
- Delrin bushings to support the bar inside the mounting tube
- Requires fabrication and welding, not a bolt-on kit
Fitment
| Year | Make | Model |
|---|---|---|
| Universal | Custom Chassis / Rock Buggy | Fabricated Installation |
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | CE-9901A-18 |
| Bar length x diameter | 36 in. x .750 in. |
| Arm length | 18 in. |
| Arm material | Billet aluminum |
| End link rod | 14 in. long, 1/2 in.-20 RH/LH threaded, trimmable |
| Mounting tube | 1.75 in. x .095 in. wall DOM, cut to length |
| Installation | Requires welding, not a bolt-on kit |
What's Included
- 1 sway bar torsion bar
- 1 pair billet aluminum arms
- End link rods and heim joints with jam nuts
- Weld-in mounting tube and Delrin bushings
About RockJock 4x4
RockJock 4x4, made by Currie Enterprises, engineers Jeep-specific control arms, Johnny Joint rod ends, Antirock sway bar systems, and Currectlync steering components for TJ, LJ, XJ, JK, JL, and JT platforms. RockJock parts are built from forged and DOM steel for off-road durability and are designed to bolt into factory mounting points.
FAQ
Is this kit a bolt-on system?No, it is a universal kit that requires fabrication and welding for installation.
What vehicles is this kit designed for?It is intended for custom rigs, rock buggies, and tube chassis builds rather than a specific factory vehicle.
Can the end link rods be trimmed?Yes, the 14 in. threaded rods can be cut down to the length needed for the specific build.
What material are the arms made from?Billet aluminum, machined to 18 in. long.
What is the mounting tube for?It supports the torsion bar inside the frame and is welded into the custom chassis.
What diameter is the torsion bar?0.750 in. diameter, 36 in. long.
Does the kit include the bushings needed for the mounting tube?Yes, Delrin bushings are included to support the bar inside the tube.
Can this kit be used with a longer or shorter bar than 36 inches?This specific kit is sized for the 36 in. bar, RockJock offers other lengths in the same universal Antirock kit family for different builds.
Installation Instructions
- Determine the correct mounting location for the sway bar tube on the custom frame.
- Weld the supplied mounting tube into the frame at the determined location.
- Install the Delrin bushings and slide the torsion bar through the tube.
- Weld the axle tabs to the axle housing at the correct location for the end links.
- Install the arms onto the bar ends and connect the adjustable end links between the arms and axle tabs.
- Set the end link length with the axle at mid-travel so the arms sit level, then tighten all hardware.
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