Clayton Off Road Adjustable Front Track Bar | Johnny Joint & GIIRO Bushing | 1999-2004 Jeep Grand Cherokee WJ | 3.5-6" Lift | SKU COR-4506200
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Before ordering, verify your vehicle details, current setup, and SKU with OFAS fitment support so your upgrade matches your build.
Shipping & Delivery
Free shipping is available within the lower 48 U.S. states. Large or heavy items may ship by freight, and delivery timing can vary by warehouse, carrier, and product availability.
Fitment, Shipping & Product Support
The Clayton Off Road Adjustable Front Track Bar (COR-4506200) is the heavy-duty front track bar for the 1999–2004 Jeep Grand Cherokee WJ, designed for 3.5" to 6" of lift. When a WJ is lifted, the factory fixed-length front track bar pulls the front axle laterally off-center, causing steering pull and uneven tire clearance. This adjustable bar corrects that offset. Built from 1-3/8" x 5/16" wall DOM tubing with a bent design for maximum clearance around the front axle and differential cover. Forged Currie Johnny Joint at the frame end for high-articulation, low-friction adjustment; maintenance-free dual durometer GIIRO/Clevite joint bushing at the axle end, offset for spring perch clearance. 9/16"-18 Grade 8 hardware throughout for proper clamping force and correction of egg-shaped factory mount holes. Center-to-center adjustable from 33-1/16" to 33-3/4". Lifetime warranty. Made in the USA.
Drilling is required at both the frame-side and axle-side mounts to accept the 9/16" hardware. This is not a pure bolt-in part — budget for drilling time at both ends.
Component Specifications
| Spec | Detail |
|---|---|
| Part Number | COR-4506200 |
| Brand | Clayton Off Road |
| Application | Front track bar, adjustable |
| Tubing | 1-3/8" x 5/16" wall DOM |
| Frame-End Joint | Forged Currie Johnny Joint — high-articulation, low-friction, adjustable |
| Axle-End Joint | Dual durometer GIIRO/Clevite bushing — maintenance-free, offset for spring perch clearance |
| Design | Bent — maximum clearance for WJ front axle and differential cover |
| Hardware | 9/16"-18 Grade 8 |
| Center-to-Center Length | Adjustable 33-1/16" (min) to 33-3/4" (max) |
| Lift Range | 3.5" to 6" |
| Installation | Drilling required at BOTH frame-side and axle-side mounts to 9/16" |
| Removal Tool Note | Old axle-side nut removed with a 6-point 18mm combination wrench |
| Warranty | Lifetime |
| Origin | USA |
| Shipping Weight | 12 lbs |
| Shipping Dimensions | 36" x 4" x 4" |
| Sold As | Each |
What Is and Is NOT Included
| Item | Included |
|---|---|
| Adjustable track bar — bent DOM tubing | ✓ |
| Currie Johnny Joint (frame end) | ✓ |
| GIIRO/Clevite bushing (axle end) | ✓ |
| 9/16" Grade 8 hardware | ✓ |
| Drilling tools | ✗ NOT included — drill and correct bit size required for both mount ends |
| Front-end alignment service | ✗ NOT included — required after installation |
Verified Fitment
| Vehicle | Years | Lift Range | Status |
|---|---|---|---|
| Jeep Grand Cherokee WJ — all trims | 1999–2004 | 3.5"–6" | ✓ |
| Jeep Grand Cherokee ZJ | 1993–1998 | Any | ✗ Different front track bar geometry |
| Jeep Grand Cherokee WK | 2005–2010 | Any | ✗ Different front suspension architecture |
| Jeep Wrangler TJ/LJ/JK/JL/JT | Any | Any | ✗ Different platform |
| Lift below 3.5" or above 6" | — | — | ✗ Not recommended outside this range |
Critical Compatibility
| Configuration | Notes |
|---|---|
| Lift outside 3.5"–6" range | Not recommended — bar is engineered specifically for this lift window |
| Factory mount holes | Both frame-side and axle-side mounts must be drilled to 9/16" before installation — not a direct bolt-in |
| Old axle-side mount nut | Requires a 6-point 18mm combination wrench for removal |
| Front-end alignment | Required after installation — verify steering wheel centering and axle clearance before driving on public roads |
Common Questions
Is this a bolt-in installation?
No, not entirely. Both the frame-side and axle-side factory mounts must be drilled out to 9/16" to accept the included Grade 8 hardware. This is a straightforward drill operation per Clayton's instructions, but it is not a simple bolt-swap.
What tool do I need to remove the old axle-side mounting nut?
A 6-point 18mm combination wrench.
Will this work with any lift kit?
Yes — Clayton designed this bar to be compatible with OEM and aftermarket lift kits in the 3.5" to 6" range, regardless of brand.
Do I need an alignment after installing this?
Yes. Set the track bar length at ride height with the front axle centered, then have the front-end alignment checked before driving at highway speeds.
What's the difference between the frame-end and axle-end joints?
The frame end uses a forged Currie Johnny Joint for high-articulation adjustment. The axle end uses a maintenance-free dual durometer GIIRO/Clevite bushing, offset specifically for spring perch clearance on the WJ axle.
The Obsidian Take
The COR-4506200 is for the WJ owner running 3.5"–6" of lift who needs to correct the lateral axle offset that a fixed-length factory track bar creates. Johnny Joint adjustability, DOM tubing, Grade 8 hardware throughout, lifetime warranty.
The honest install note: budget for drilling at both ends, not just one. This is a confirmed correction to industry-wide product copy for this part — Clayton's own description and every authorized retailer agree both mounts need drilling to 9/16". Plan your install time accordingly, and have the front alignment checked after setting the bar length.
⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information visit P65Warnings.ca.gov.
Non-Returnable Notice: Once installed or drilled, this product is non-returnable. Confirm lift height range and drilling requirements before ordering.
Manufacturer Data Disclaimer: Specifications sourced from Clayton Off Road's own product documentation and authorized distributor pages. Input data understated the drilling requirement, which applies to both frame-side and axle-side mounts per the manufacturer's own description. Obsidian Forged Auto Supply is an authorized Clayton Off Road dealer. Manufacturer specifications are subject to change without notice.