Product Description
Take total control of your rock crawler with the PSC FHK400TJ Full Hydraulic Steering Kit, engineered specifically for 1997-2006 Jeep TJ and LJ Wranglers running massive 40-46 inch tires. This complete PSC system replaces traditional steering components with a powerful hydraulic setup designed to turn heavy locked axles with precision and reliability in extreme off-road environments. PSC is the industry leader in competition-grade hydraulic steering systems trusted by Ultra4 racers, rock crawlers, and hardcore trail rigs. The FHK400TJ kit combines PSC’s proven Eaton Char-Lynn orbital control valve, high-output power steering pump system, and heavy-duty dual-ended hydraulic steering cylinder to deliver exceptional steering authority even when your Jeep is bound up in rocks or deep mud. Designed for extreme off-road builds with Dana 60 front axles and oversized tires, the PSC FHK400TJ delivers a smooth 3.5 turn lock-to-lock steering ratio while maintaining maximum steering force. Every kit includes the essential components required to build a complete hydraulic steering system capable of handling brutal trail abuse.
Fitment
- 1997 Jeep Wrangler TJ
- 1998 Jeep Wrangler TJ
- 1999 Jeep Wrangler TJ
- 2000 Jeep Wrangler TJ
- 2001 Jeep Wrangler TJ
- 2002 Jeep Wrangler TJ
- 2003 Jeep Wrangler TJ
- 2004 Jeep Wrangler TJ
- 2005 Jeep Wrangler LJ Unlimited
- 2006 Jeep Wrangler LJ Unlimited
Recommended Setup:
- Vehicles running 40-46 inch tires
- Aftermarket Dana 60 front axle configurations
- Dedicated off-road or rock crawler builds
- Competition trail rigs and Ultra4 style vehicles
Kit Includes
- Eaton Char-Lynn Steering Control Valve (Orbital Valve)
- Steering Control Valve Mounting Bracket
- High-Output Power Steering Pump Kit
- Remote Reservoir System
- 2.75" x 8" Dual-Ended Hydraulic Steering Cylinder
- Complete High Pressure Hose and Fitting Kit
- Heavy Duty Tie Rod Link Kit with Rod Ends
- Cylinder Clamps and Clevis Joint Hardware
- 4 Quarts SWEPCO 715 Power Steering Fluid
Specifications for PSC FHK400TJ
| Specification | Details |
|---|---|
| Manufacturer | PSC Steering Components |
| Part Number | FHK400TJ |
| Steering Type | Full Hydraulic Steering System |
| Cylinder Bore | 2.75 Inch |
| Cylinder Stroke | 8 Inch |
| Maximum Tire Size | 40-46 Inches |
| UPC | 687927175549 |
| GTIN | 687927175549 |
| Shipping Info | Calculated at Checkout |
| Prop 65 | WARNING: Cancer and Reproductive Harm – https://www.P65Warnings.ca.gov |
Frequently Asked Questions
Is the PSC FHK400TJ street legal?
No. Full hydraulic steering systems eliminate the mechanical steering linkage and are intended for off-road vehicles only.
What tire size is this steering kit designed for?
This system is engineered specifically for Jeep TJ and LJ builds running extremely large tires between 40 and 46 inches.
Does the kit include the steering cylinder?
Yes. The system includes PSC’s heavy-duty dual-ended 2.75" bore hydraulic cylinder designed for extreme off-road steering loads.
What axles are recommended for this steering kit?
PSC recommends installing this system with heavy-duty aftermarket Dana 60 front axles to handle the forces generated by large tires.
Should a steering fluid cooler be used?
Yes. PSC strongly recommends installing a power steering cooler to prevent fluid overheating and protect the pump during aggressive off-road use.
