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Chevy GMC 8×6.5 to 10x225mm Wheel Adapters – 8-Lug to 10-Lug Conversion

Price range: $524.99 through $699.99

Technical Specifications

Feature Specification
Truck Bolt Pattern 8×6.5″ (165.1mm)
Wheel Bolt Pattern 10x225mm
Truck Hub Bore
  • 1988–2010 2500 & 3500 SRW Trucks: 116.7 mm (4.60″)
  • 2001–2010 2500 & 3500 DRW Trucks: 116.7 mm (4.60″)
  • 1988-2000 3500 DRW Trucks: 115.8mm (4.56″)
Wheel Hub Bore 170.1 mm (6.697″)
Adapter Stud Size M14x1.5
Factory Hub Stud Size

M14x1.5

- +

Wheel Bolt Pattern & Application

The 10×225mm bolt pattern is primarily used on 19.5″ dually wheels for heavy-duty trucks such as the Ram 4500 / 5500 and Ford F-450 / F-550. Although other wheel sizes may exist in niche applications, this bolt pattern is overwhelmingly tied to 19.5″ wheels and is not compatible with the 10×285.75mm semi-truck bolt pattern.


Built From Solid Billet Steel 

Unlike most adapters on the market made from billet aluminum, these adapters are CNC-machined from solid billet steel for superior load handling, resistance to deformation, and long-term reliability.

Billet steel provides:

  • Significantly higher strength and rigidity than aluminum

  • Better performance under heavy towing and hauling

  • Improved resistance to stud fatigue and flex

  • Confidence for work trucks and demanding applications


Precision-Machined for Exact Fitment

Each adapter is CNC-machined to tight tolerances to ensure a precise, vibration-free installation.

  • Material: Solid billet steel

  • Studs: High-strength automotive-grade steel studs

  • Design: Hub-centered for accurate wheel alignment and a vibration-free ride

Designed for Chevy and GMC 2500 / 3500 trucks, these adapters allow you to upgrade from the factory 8-lug hub to a 10-lug bolt pattern, enabling the use of 4500/5500-style heavy-duty dually wheels.


Why Billet Steel Adapters Matter

Stronger Than Aluminum
Steel adapters resist flex under load, making them ideal for towing, hauling, and commercial use.

Improved Stud Longevity
The rigidity of steel reduces movement at the stud interface, helping prevent loosening over time.

Built for Real-World Use
Perfect for work trucks, dually conversions, and applications where safety margins matter.

No Guesswork Installation
Direct bolt-on design with proper hub centering ensures consistent torque and smooth highway performance.


Ideal Applications

  • Chevy/GMC 2500 / 3500 8-lug trucks

  • Converting to 10x225mm dually wheels

  • Heavy towing and hauling

  • Commercial and work truck use

  • Long-term, high-mileage setups


Installation Notes

Professional installation is recommended. Always use the provided thread-locking fluid and torque all fasteners to OEM specifications. Re-torque after the initial break-in period. Verify wheel clearance, offset, and brake compatibility before final installation.

Weight N/A
Dimensions N/A
Wheel Locating Ring

Front Adapters (Locates 1 Wheel), Rear Adapters (Locates 2 Wheels)

Adapter Thickness

1.5", 3"

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