SGX041SR - Cylinder Assist™ Steering Gearbox, 1977-79 GM 4WD with Crossover Steering

Expected time to ship, 7-10 business days
Quick Overview

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 rig, PSC has the high-performance power steering components you need to make transport a safe, reliable, and enjoyable experience.

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  • 1977-1979 2WD Full Size Truck/SUV
  • 1977-1979 4WD Full Size Truck/SUV with Crossover Steering Conversion


  • Exclusive ALL NEW Component
  • Improved Design for Optimum Efficiency
  • Larger 3.125 Inch Piston Diameter
  • Billet Aluminum Top and End Covers
  • -6AN Male Fittings for connection to a PSC Steering Assist Cylinder
  • Turning Ratio: 14:1 Ratio, 3.3 Turns Lock-To-Lock
  • Input Shaft: 3/4 Inch - 30 Spline
  • Port Type: SAE Inverted Flare
  • Mounting: Four (4) Bolt, Outside-the-Frame
More Information
Custom Stock StatusExpected time to ship, 7-10 business days
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