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PSC BIG BORE XD Series Steering Gearbox - 03-08 Ram 5.9L/6.7L Cummins

Thoroughbred Sku #: PSCSG853
Manufacturer Sku #: SG853


$1,195.00

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Product Details

Product Name: PSC BIG BORE XD Series Steering Gearbox - 03-08 Ram 5.9L/6.7L Cummins
Manufacturer: PSC Steering
Manufacturer Part #: SG853
Thoroughbred Diesel Part #: PSCSG853
Fitment Notes: 2003-2008 Ram 5.9L/6.7L Cummins

This PSC Motorsports Big Bore Steering Gear for the 2003 - 2008 Dodge Ram 2500/3500 is a NEW replacement unit for the problem prone original Dodge component.

The PSC Motorsports Dodge XD Steering Gear took inspiration from the 2012 MOPAR "Big Box". We've created our own solution and modified it for a direct bolt-in installation. The OEM pressure and return lines and the 2003-08 Pitman arm are all used for a simplified installation.

The failure prone sector shaft support bearing size has been increased from 35mm to 45mm to prevent excessive side-to-side deflection, which is one of the main causes of the infamous "Dodge steering wander".

NOTES: PSC is not aware of any aftermarket steering gearbox braces, including the SB300K, that are compatible with the SG853/R products

PSC Steering Features:

  • Direct Bolt-In Installation: This steering gear is engineered for a seamless, direct replacement, utilizing the original OEM pressure and return lines, as well as the 2003-2008 Pitman arm.
  • Big Bore Design: The steering gear is designed with a larger bore for increased fluid flow, enhancing overall performance, especially under heavy load or challenging driving conditions.
  • Upgraded Sector Shaft Support Bearing: The sector shaft support bearing has been upgraded from 35mm to 45mm, which significantly reduces side-to-side deflection. This upgrade addresses one of the leading causes of steering wander in the Dodge Ram 2500/3500 models, improving steering stability and response.
  • Enhanced Steering Precision: The new design ensures improved handling, reducing the common steering issues like wander and play, providing a more responsive and precise steering feel.
  • Based on MOPAR "Big Box" Design: Inspired by the MOPAR 2012 "Big Box," PSC Motorsports has tailored and modified this solution to better meet the needs of Dodge Ram truck owners, offering an upgraded, more reliable solution to factory steering components.
  • For more information on PSC Steering call us at 1-859-737-4966

Reviews

  • What is the diameter on the threaded area of the shaft?

    Seth | 8/14/2025
    • The failure prone sector shaft support bearing size has been increased from 35mm to 45mm