Skip to content
PSC SG856 Big Bore XD Steering Gearbox | 2009-2017 Dodge RAM 2500/3500

PSC SG856 Big Bore XD Steering Gearbox | 2009-2017 Dodge RAM 2500/3500

by Performance Steering Components
SKU PSC-SG856
$1,195.00 - $1,195.00
$1,195.00
$1,195.00 - $1,195.00
$1,195.00
Product Availability
  • Ships Directly From The Manufacturer
    You will be contacted with a ship date
    Ships From Manufacturer

The PSC SG856 Big Bore XD Steering Gearbox is a power assist replacement steering gearbox for 2009-2017 Dodge/Ram 2500/3500 trucks. It has larger piston diameters to increase torque output, and PSC designed it to make steering easier on trucks with larger tires or a weak factory gearbox. The source doesn't list an engine or drivetrain for this fitment.

Check Your Truck First

Status Application
✅ Fits 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Dodge/Ram 2500/3500
✅ Intended for Trucks with larger tires, oversized wheels, or lift kits, and trucks with a weak or worn factory steering gearbox
❌ Not listed Other model years, other models, and engine, drivetrain, and cab or bed configurations. Chat with us to confirm before ordering.


Why Owners Install It

  • Larger piston diameters that increase torque output
  • Power assist design that PSC says reduces steering effort
  • Made to help control larger tires and wheels that have been installed on the truck
  • Replaces a weak or worn factory steering gearbox
  • PSC says it helps reduce driver fatigue on daily and off-road driving

What to Expect

  • PSC states the steering may feel more sensitive than stock at first.
  • Steering input may require a short adjustment period.
  • The gearbox is a power assist type.
  • Install time, tools, alignment requirements, and step-by-step instructions are not listed. Chat with us if you need them before ordering.

Specifications

Brand PSC
Part Number SG856
Product Type Big Bore XD Steering Gearbox
Fits 2009-2017 Dodge/Ram 2500/3500
Gearbox Type Power assist
Piston Larger piston diameters to increase torque output
Install Not listed
Tuning Required Not listed
Install Time Not listed
Warranty Not listed
Core Charge Not listed


FAQs

What trucks does the SG856 fit?

It is listed for 2009-2017 Dodge/Ram 2500/3500 trucks.

What does "Big Bore XD" mean?

The source describes larger piston diameters that increase torque output, and a power assist design. It doesn't define "XD," so chat with us if you want more detail.

Is it for trucks with larger tires or a lift?

Yes. PSC lists it as designed to improve steering with larger tires, and as suited to trucks with oversized wheels or lift kits.

Will the steering feel different?

Yes. PSC states it may feel more sensitive than stock at first, and steering input may require a short adjustment period.

Does it replace my factory steering gearbox?

Yes. PSC describes it as replacing a weak or worn factory steering gearbox.

Do I need a core to return or an alignment after installation?

The information we have does not say. Chat with us before ordering and we will help confirm.

Questions about fitment? Chat with us.

My Garage