8 x 6.5" to 8 x 6.5" - Billet Adapter - 116.7 Hub (Chevy/GM)
8 x 6.5" to 8 x 6.5" - Billet Adapter - 116.7 Hub (Chevy/GM) - 1.5" is backordered and will ship as soon as it is back in stock.
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8 x 6.5" to 8 x 6.5" - Billet Adapter - 116.7 Hub (Chevy/GM)
8 x 6.5" to 8 x 6.5" - Billet Adapter - 116.7 Hub (Chevy/GM) - 1.5" is backordered and will ship as soon as it is back in stock.
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Description
Description
Far From Stock — Billet Wheel Adapter (8×6.5″ ↔ 8×6.5″, M14×1.5 Studs, 116.7 mm Hub)
Purpose-built the FFS way—true, strong, and centered. This hub- and wheel-centric billet adapter keeps your 8×6.5″ setup running smooth with proper centering on the hub and the wheel. Machined from 6061-T6 billet aluminum with high-grade steel studs.
Must order two for a pair. Pricing is for one wheel adapter.
Why this FFS adapter (Strength & Materials)
- 6061-T6 billet aluminum body — CNC-machined for precision and durability.
- Hub & wheel-centric: 116.7 mm bore centers perfectly on GM HD hubs.
- High-strength studs (12.9 grade) — OEM-style clamping for heavy-duty use.
Key Specs
- Bolt Pattern: Vehicle 8×6.5″ (8×165.1 mm) → Wheel 8×6.5″ (8×165.1 mm)
- Stud Size / Pitch: M14×1.5
- Center Bore: 116.7 mm
- Type: Hub- & wheel-centric billet adapter (not a conversion)
- Material: 6061-T6 billet aluminum body with press-in steel studs
Vehicle Fitment (YMM)
Exact-match requirements: 8×6.5″ (8×165.1 mm) wheel bolt pattern, M14×1.5 studs, and 116.7 mm hub bore.
| Make | Model | Years | Notes |
|---|---|---|---|
| Chevrolet | Silverado 2500HD / 3500HD | 2001–2010 | 8×6.5, M14×1.5 studs, 116.7 mm hub bore. |
| GMC | Sierra 2500HD / 3500HD | 2001–2010 | 8×6.5, M14×1.5 studs, 116.7 mm hub bore. |
Exclusions: Ford Super Duty (8×170), Dodge/Ram 8×6.5 with 9/16″ studs, and GM HD 2011+ (8×180) are not compatible.
Install Notes & How-To
- Verify specs: Must be 8×6.5 with M14×1.5 studs and 116.7 mm hub bore.
- Prep: Safely lift vehicle; remove wheel. Clean hub face and bore.
- Test fit: Slide adapter onto hub; confirm full, flush seating.
- Mount adapter: Install nuts on factory studs; tighten in a star pattern to spec.
- Mount wheel: Place wheel on adapter studs; torque lug nuts evenly to spec.
- Clearance check: Spin by hand; ensure no contact with brakes/suspension.
- Re-torque: After 50–100 miles, re-torque adapter and wheel nuts to spec.
What’s Included
- (1) 8×6.5 → 8×6.5 billet adapter, M14×1.5 studs, 116.7 mm hub bore
- Installed press-in high-grade steel studs
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