8x275 to 10x285.75 Hub Centric Wheel Adapters – Billet Aluminum
Made to Order • Up to 15 Business Days to Ship
These heavy-duty billet wheel adapters are designed to safely convert 8x275mm bolt pattern trucks to run 10x285.75 semi-style wheels. Built for extreme loads, towing, and dually applications, these adapters are precision-machined for strength, accuracy, and long-term reliability.
Sold Individually • Built for commercial-grade performance
Heavy-Duty Two-Piece Adapter Design
These adapters feature a true two-piece hub-centric design engineered for maximum strength and proper load distribution.
- Bottom Plate: Mounts directly to the vehicle hub just like a factory wheel.
- Top Plate: Bolts to the bottom plate and provides the new 10x285.75 bolt pattern.
- Countersunk Hardware: Allows all fasteners to sit flush for proper wheel mounting.
- Dowel Pins: Ensure perfect alignment and prevent any movement under load.
- Thread Locker Recommended: Used on all mounting hardware for maximum safety.
This design ensures strength, balance, and reliability when running heavy dually wheels, trailers, or commercial loads.
Key Features
- Fits 8x275mm Vehicles: Kodiak, Chevy 4500/5500, F-650 and similar platforms
- Converts to 10x285.75: Allows use of semi-style wheels
- Hub & Wheel Centric: Eliminates vibration at highway speeds
- Billet 6061-T6 Aluminum: CNC machined for strength and precision
- Heavy-Duty Hardware Included: Grade 10.9 studs & fasteners
- Designed for Heavy Loads: Towing, dually setups, and commercial use
- Compatible with Alcoa & Aftermarket Wheels
Specifications
- Vehicle Bolt Pattern: 8x275 mm
- Vehicle Hub Bore: 221 mm
- Wheel Bolt Pattern: 10x285.75 mm (Semi Pattern)
- Wheel Bore: 220.1 mm
- Total Thickness: 3" (Combined)
- Thread Pitch: M22x1.5
- Front Wheel Lip: 0.50"
- Rear Wheel Lip: 1.50"
- Front Stud Length: 3"
- Rear Stud Length: 4"
- Material: 6061-T6 Billet Aluminum
- Finish: Raw Aluminum
- Hardware: Grade 10.9 Steel
- Torque Spec: 350 ft-lbs (Recommended)
Important Installation Notice
Proper installation is critical for safety. These adapters must be torqued to specification and installed using thread locker where required. If you are not experienced with wheel adapters or heavy-duty applications, professional installation is highly recommended.
Built for strength. Built for safety. Built in the USA.