Dirt King Upper Arm Spacer Kit | GMC Sierra (2019-2025)

$114.00

CNC-machined 17-4 stainless steel for strength and corrosion resistance
Precisely tapered to fit factory spindles with uniball pivots
Includes misalignment spacers for proper fit and articulation
Custom machined Grade-8 bolts and hardware included
Reduces unwanted movement at the spindle interface
Improves articulation and performance over stock ball joints

The Dirt King Upper Arm Spacer Kit is engineered to adapt aftermarket uniball pivots to your vehicle’s factory upper arm spindles with precision and strength. CNC-machined from high-quality 17-4 stainless steel, these spacers provide a tight, tapered fit that ensures proper geometry and suspension articulation when running uniball style joints. Whether you’re upgrading for better articulation, enhanced durability, or replacing worn parts, these spacers make the transition clean and dependable.

Included hardware is machined to match the specification and strength required for suspension use, so you get both precision and reliability. By handling misalignment and taper fit requirements, this spacer kit helps maintain proper pivot behavior and minimizes bind or play during movement.

Specifications

Includes: (2) 9/16″ half moon misalignment spacers, (2) 9/16″ tapered misalignment spacers, (2) custom machined Grade-8 bolts and hardware
Material: 17-4 stainless steel
Sold As: Upper arm spacer kit

Compatibility

GMC Sierra 2019-2025

Installation

To install the Upper Arm Spacer Kit, remove the existing upper arm hardware and expose the spindle pivot interface. Slide the tapered spacers into position on the spindle and align according to required geometry. Use the supplied misalignment spacers and Grade-8 bolts to secure the spacers into place. Torque all fasteners to the manufacturer’s specifications. Verify full suspension travel, alignment, and articulation after installation to ensure there is no binding or interference.