8 x 6.5" to 8 x 6.5" - Hub and Wheel Centric Billet Adapter (Chevy/GMC)
8 x 6.5" to 8 x 6.5" - Hub and Wheel Centric Billet Adapter (Chevy/GMC) - 2" is backordered and will ship as soon as it is back in stock.
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Confirm vehicle fitment
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8 x 6.5" to 8 x 6.5" - Hub and Wheel Centric Billet Adapt...
8 x 6.5" to 8 x 6.5" - Hub and Wheel Centric Billet Adapter (Chevy/GMC) - 2" is backordered and will ship as soon as it is back in stock.
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Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
Far From Stock — Hub & Wheel-Centric Billet Adapter (8×6.5″ → 8×6.5″, 14×1.5 Studs, 116.7 mm Hub Bore / 121.2 mm Wheel Bore)
Must order two for a pair. Pricing is for one wheel adapter only.
Engineered for vehicles with an 8×6.5″ (8×165.1 mm) bolt pattern and factory M14×1.5 studs. Hub-centric to 116.7 mm (vehicle hub) and wheel-centric to 121.2 mm (wheel bore) to keep both sides precisely piloted. This is a same-pattern adapter (8×6.5″ → 8×6.5″), not a bolt-pattern conversion. Machined from 6061-T6 aluminum billet.
Vehicle Fitment (YMM) — Exact Match Only
| Make | Model | Model Years | Notes |
|---|---|---|---|
| Chevrolet | Silverado 2500HD / 3500HD | 2001–2010 | 8×6.5″ PCD, M14×1.5 studs, 116.7 mm hub bore. |
| GMC | Sierra 2500HD / 3500HD | 2001–2010 | 8×6.5″ PCD, M14×1.5 studs, 116.7 mm hub bore. |
| Chevrolet | Express 2500 / 3500 | 2003–2010 | Matches 8×6.5″, M14×1.5, 116.7 mm hub bore. |
| GMC | Savana 2500 / 3500 | 2003–2010 | Matches 8×6.5″, M14×1.5, 116.7 mm hub bore. |
Fitment corroborated by multiple references listing GM 2001–2010 HD trucks and vans with 8×6.5 PCD, M14×1.5 studs, and 116.7 mm hub bore; some vendors round wheel-side bores to 121.2–121.3 mm. Always verify on your exact trim before ordering. :contentReference[oaicite:0]{index=0}
Key Details
- Bolt Pattern: Vehicle 8×6.5″ (8×165.1 mm) → Wheel 8×6.5″ (8×165.1 mm)
- Stud Size: M14×1.5
- Hub-Centric: 116.7 mm (vehicle hub side)
- Wheel-Centric: 121.2 mm (wheel bore side)
- Type: Hub- & Wheel-Centric Billet Adapter (same-pattern, not a conversion)
- Construction: Precision CNC-machined 6061-T6 billet with press-in studs
Why these outperform generic spacers
Stronger than Cast — Machined from 6061-T6 Billet
- 6061-T6 aluminum: Toughness and fatigue resistance suited for working trucks.
- True hub & wheel centering: 116.7→121.2 mm piloting reduces vibration and shares load correctly.
- Precision machining: Tight runout/concentricity for highway-speed stability.
- High-strength hardware: Premium studs and nuts spec’d to meet or exceed OEM grade.
- OEM geometry preserved: Same-pattern 8×6.5″ keeps correct mating alignment.
Install Notes
- Verify fitment: Confirm 8×6.5″ (8×165.1 mm) PCD, M14×1.5 studs, and 116.7 mm hub bore on your vehicle.
- Confirm wheel bore: Ensure your wheels have a 121.2 mm (≈121.2–121.3 mm) center bore to seat on the adapter lip.
- Prep hub: Safely lift/secure vehicle; remove wheel. Clean hub face and center bore of rust/paint/debris.
- Test-fit adapter: Slide adapter onto hub; verify full, even seating (no gaps).
- Secure adapter: Install nuts on factory studs; tighten in a star pattern to the manufacturer’s torque spec.
- Mount wheel: Place wheel on adapter studs; install lug nuts and tighten in a star pattern to spec.
- Spin & clearance check: Rotate by hand to verify no contact with calipers, suspension, or fenders.
- Re-torque: After 50–100 miles, re-torque adapter and wheel nuts to spec; check periodically.
Follow the torque specs and seat style (cone/flat) required by your wheels and owner’s manual.
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