8x225 to 8x275 Wheel Adapters - Hub Centric - Ford F-450 F-550
Fully Hub Centric
Made to Order: Ships in 7-10 business days.
Sold As: Single or Complete Set of 4 with Mounting Lug Nuts
Custom Sizes: Need a custom size or thickness? Call us at (310) 763-1437.
These billet aluminum wheel adapters convert your truck’s 8x225 mm bolt pattern to an 8x275 mm medium-duty bolt pattern. Common wheels include 19.5" and 22.5" wheels for Kodiak, Top Kick, GM Silverado 4500/5500, International 4300, Freightliner M2, Ford F-650, and aftermarket 8x275 wheels.
Important: Adapters use M22x1.5 studs. If your wheels require M20x1.5, holes may need enlarging. Most wheels accept M22x1.5, but M20x1.5 studs are available with limited length.
Key Features
- Convert 8x225 to 8x275 mm bolt pattern for dually trucks or super singles
- Rear adapters have an extended lip for dual steel or aluminum wheels
- Compatible with Alcoa and aftermarket wheels
- Fully hub and wheel centric to eliminate vibration
- Built for extreme-duty, safe for heavy towing
- Proven towing capacity up to 36,000 lbs
- Includes all mounting hardware
- Custom made in Lynwood, California, USA
Specifications
- Vehicle Bolt Pattern: 8x225 mm
- Hub Bore: 170.1 mm
- Wheel Bolt Pattern: 8x275 mm
- Wheel Bore: 221 mm
- Thread Pitch: M22x1.5 (M20x1.5 available)
- Thickness: 1.5" standard, custom sizes available
- Front Wheel Lip: 0.50"
- Rear Wheel Lip: 1.5"
- Front Stud Length: 3"
- Rear Stud Length: 4"
- Material: Billet 6061 T-6 Aluminum
- Hardware: Grade 10.9
- Finish: Raw Aluminum
- Torque Specs: Use factory torque specs
Vehicle Compatibility
Use only with wheels that have an 8x275 mm bolt pattern.
Compatible Ford Models
| Year | Make | Model | Hub Bore | Thread Pitch |
|---|---|---|---|---|
| 1998-2004 | Ford | F-450 | 170.1 mm | M14x2.0 |
| 1998-2004 | Ford | F-550 | 170.1 mm | M14x2.0 |
Frequently Asked Questions
Aluminum vs. Steel Wheel Adapters
Aluminum resists corrosion better than steel and significantly reduces rotating weight. Compare:
-
Tensile Strength:
- Billet 6061 T-6 Aluminum: 45,000 PSI
- Steel: 53,700 PSI
- Thickness: Our aluminum adapters are twice as thick as steel for added strength.
-
Weight:
- 1.5" Aluminum Adapter: 25 lbs
- 1.5" Steel Adapter: 48 lbs
Why Choose 1.5" Thick Adapters?
1.5" is the most popular size. It allows clearance for up to 13.5" wide front tires and gives your truck an improved stance.
What’s the Maximum Towing Capacity?
These adapters are proven to tow up to 36,000 lbs, tested on a 2022 Ford F-550.