Shop By Category
Your Cart

09-21 Ram 2500 + 3500 PSC Big Bore XD Steering Box

Performance Steering Components offers the highest quality power steering gearboxes, pumps, and cylinder assist components for most high-performance power steering applications. Improved component designs ensure superior handling and performance, durability, and reliability for on-the-road, off-the-road, or track. All PSC power steering components are manufactured from the highest quality materials.

Additionally, our team of experts have more than thirty-five years of experience in the high-performance automotive industry and are Only a phone call away forexpert sales consultation and tech support.

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.

Go where you want to go with PSC!


PSC SB400K and other aftermarket Steering Brace/Stabilizer Kits are not compatible with the SG856


  • 100 Percent New
  • PSC Exclusive Design based on 2010 and Up Dodge XD platform
  • Modified for Direct Bolt-In Replacement utilizing OEM High and Low Pressure Hose Assemblies and Pitman arm.
  • Upgraded 45MM Sector Shaft Bearing eliminates sector shaft deflection, delivers smooth steering operation, and extends the service life of the gearbox.
  • 13:1 Steering Ratio reduces number of turns lock-to-lock for improved parking lot manuevering and more stable highway driving.
  • Larger Piston Diameter delivers Increased Torque Output for Upgraded Tire Sizes and Locking Differentials


  • Turning Ratio: 13:1, 3.25 Turns Lock-To-Lock
  • Input Shaft: Dodge 3/4-36 Spline
  • Port Type: Metric O-Ring
  • Mounting: Three (3) Bolt, Inside-the-Frame

PSC: SG856

Write a review

Please login or register to review