Description
The FOX® 985-02-135 is a 2.0 TS (Through Shaft) steering stabilizer with axle-mount top clamp, engineered for 2014-2026 Ram 2500 and 2013-2026 Ram 3500 4WD trucks.
IMPORTANT: This is the non-adjustable TS stabilizer, not to be confused with FOX® 983-02-158, the ATS (Adjustable Through Shaft) stabilizer for this same 2014-2026 Ram 2500 / 2013-2026 Ram 3500 application. Both use an axle-mount top clamp and cover the identical truck range, but 983-02-158 adds an external piggyback reservoir with a 24-click external damping adjuster; this TS version has no reservoir or external adjuster. Confirm which stabilizer your customer wants — adjustable (983-02-158) or standard (985-02-135) — before ordering, as the part numbers are easy to confuse but are not interchangeable.
Conventional steering stabilizers develop a push-or-pull force as the shaft displaces oil unevenly when turning in one direction, which is why many trucks run dual opposing stabilizers to cancel it out. Derived from FOX®’s original ATS stabilizer, the Performance Series 2.0 Stabilizer TS uses a Through Shaft (TS) architecture that eliminates shaft fluid displacement through the stabilizer’s full travel in both directions, delivering neutral, consistent damping of unwanted steering feedback from a single, bolt-on unit.
This design delivers steering control at a lower price point than FOX®’s adjustable ATS stabilizer, without the external reservoir or adjustable damping. It includes application-specific mounting hardware and is available in multiple clamp sizes for stock or aftermarket heavy-duty tie-rods.
The stabilizer body is 2.0″ impact-extruded and CNC-machined 6061-T6 clear-anodized aluminum, and the black-anodized, CNC-machined 6061-T6 billet aluminum components are matched to a 5/8″ hard chrome-plated, heat-treated alloy steel shaft and a redundant sealing pack. The unit is backed by FOX®’s suspension product warranty.
- Fits 2014-2026 Ram 2500 and 2013-2026 Ram 3500 4WD trucks; axle-mount top clamp configuration
- Through Shaft (TS) architecture eliminates unidirectional shaft fluid displacement
- No external reservoir or adjuster — simpler, lower-cost alternative to FOX®’s ATS stabilizer
- Available in multiple clamp sizes for stock or aftermarket heavy-duty tie-rods
- 2.0″ impact-extruded, CNC-machined 6061-T6 aluminum body, clear-anodized finish
- 5/8″ hard chrome-plated, heat-treated alloy steel shaft
- Redundant sealing pack system: main seal, wiper seal, scraper seal
- Backed by FOX®’s suspension product warranty
- Sold individually
| Part Number | 985-02-135 |
| Series | Performance |
| Travel | 8.1″ |
| Body | 2.0″ impact-extruded, CNC-machined 6061-T6 aluminum, clear-anodized |
| Components | Black-anodized, CNC-machined 6061-T6 billet aluminum |
| Shaft | 5/8″ hard chrome-plated, heat-treated alloy steel |
| Piston | Race-developed high-flow piston |
| Valving | Application-specific |
| Seals | Redundant sealing pack: main, wiper, scraper |
| Extended Length | 23.17″ |
| Compressed Length | 15.08″ |
| Top Mount | Axle Mount |
| Bottom Mount | Eyelet |
| What’s Included | (1) Steering stabilizer, application-specific mounting hardware |
| Warranty | FOX® suspension product warranty |
This stabilizer covers 2014-2026 Ram 2500 and 2013-2026 Ram 3500 4WD trucks with an axle-mount top clamp. FOX® also builds part number 983-02-158, the adjustable ATS version with an external reservoir and 24-click damping adjuster, for this identical truck range — confirm which version your customer needs before ordering, as the two are easily confused but not interchangeable.