Cylinder Assist Steering Gearbox, 1980-1993 GM 4WD Truck PSC Performance Steering Components




Product Details

Performance Steering Components is proud to introduce the ALL NEW SGX Series Power Steering Gearboxes for GM trucks and SUVs, two-wheel and four-wheel drive applications. 

Improved design features such as the largest piston assembly available delivers increased torque output and a 45MM sector shaft bearing prevent premature failure and provides smooth, reliable performance in all environments. Billet aluminum Top and End Covers resist corrosion and enhance the appearance of any show-ready vehicle.

All SGX Series Power Steering Gearboxes are equipped with 6AN ports for adding a PSC Steering Assist Cylinder at any time.

From the daily driver to the rock-crawling adventure rig, PSC has the high-performance power steering components you need to make transport a safe, reliable, and enjoyable experience.


1980-1991 4WD GM Full Size Truck/SUV


  • Exclusive ALL NEW Component
  • Improved Design for Optimum Efficiency
  • Billet Aluminum Top and End Covers
  • -6AN Male Ports for connection to PSC Steering Assist Cylinder
  • Turning Ratio: 13-16:1 Variable, 3.3 Turns Lock-To-Lock
  • Input Shaft: 3/4 Inch - 30 Spline
  • Port Type: Metric O-Ring
  • Mounting: Four (4) Bolt, Outside-the-Frame
  • Pinch Bolt Type Pitman Arm Required

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