Product Description
Upgrade the steering performance of your classic GM truck with the PSC SGX041MR Cylinder Assist Steering Gearbox, engineered specifically for 1980-1993 GM 4WD trucks and SUVs running crossover steering systems. Built from all-new components and designed for serious steering performance, this gearbox delivers improved steering feel, increased torque output, and the durability required for oversized tires, lifted suspensions, and aggressive off-road use. The PSC SGX Series steering gearboxes are designed with the largest piston assembly available to increase steering torque while maintaining smooth and responsive steering control. A heavy-duty 45mm sector shaft bearing prevents premature wear and improves reliability even under extreme load conditions. Billet aluminum top and end covers add corrosion resistance and durability while enhancing the appearance of high-end builds. For trucks running hydraulic assist setups, the SGX041MR includes -6AN ports for a PSC steering assist cylinder, allowing drivers to add or upgrade hydraulic assist steering whenever needed. Whether you're building a daily driver with larger tires or a dedicated off-road rig, this PSC steering gearbox delivers precise steering control and long-term reliability.
Fitment
- 1980-1993 GM Full-Size Trucks
- 1980-1993 GM Full-Size SUVs
- 4WD trucks with crossover steering conversion
- Works with hydraulic steering assist systems
Specifications for psc SGX041MR
| Specification | Details |
|---|---|
| Manufacturer | PSC Motorsports |
| Part Number | SGX041MR |
| UPC | 687927186606 |
| GTIN | 687927186606 |
| Steering Ratio | 13-16:1 Variable (Approx. 3.3 Turns Lock-to-Lock) |
| Input Shaft | 3/4" 30-Spline |
| Port Type | Metric O-Ring |
| Hydraulic Assist Ports | -6AN Ports |
| Mounting Style | 4-Bolt Outside-Frame Mount |
| Housing Material | Cast Iron with Billet Aluminum Covers |
| Shipping Info | Free Shipping Available (varies by retailer) |
| Prop 65 | WARNING: Cancer and Reproductive Harm – https://www.P65Warnings.ca.gov |
Frequently Asked Questions
What is a cylinder assist steering gearbox?
A cylinder assist steering gearbox is designed to work with hydraulic assist steering systems. It includes dedicated ports that connect to a steering assist cylinder, dramatically reducing steering effort on vehicles with large tires or heavy off-road loads.
Does the PSC SGX041MR include hydraulic assist?
The gearbox includes -6AN ports for a PSC hydraulic steering assist cylinder but the cylinder itself is sold separately.
Is this gearbox new or remanufactured?
PSC SGX Series steering gearboxes are built from all-new components rather than remanufactured cores, improving durability and performance.
Will this work on stock GM steering systems?
This gearbox is designed specifically for GM trucks using crossover steering systems. Stock steering setups may require additional components or modifications.
Why upgrade to a PSC steering gearbox?
PSC steering components are widely used in high-performance off-road and rock crawling applications due to their increased steering torque, improved durability, and compatibility with hydraulic assist steering systems.
