8 x 6.5 / 14mm Studs / 1.5"-3" Thickness (Chevy/GMC/Ram/Ford)
8 x 6.5 / 14mm Studs / 1.5"-3" Thickness (Chevy/GMC/Ram/Ford) - 1.5 inch is backordered and will ship as soon as it is back in stock.
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8 x 6.5 / 14mm Studs / 1.5"-3" Thickness (Chevy/GMC/Ram/F...
8 x 6.5 / 14mm Studs / 1.5"-3" Thickness (Chevy/GMC/Ram/Ford) - 1.5 inch 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, 126 mm Bore)
Purpose-built the FFS way—true, strong, and centered. This same-pattern billet adapter corrects stance/offset and adds brake & suspension clearance while keeping proper hub and wheel piloting. 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 adapter body — CNC-machined for tight runout and durability.
- High-strength studs (12.9 grade) — secure clamping for heavy-duty use.
- Oversize hub piloting: Adapter uses a 126.0 mm center bore to fit over smaller OEM truck hubs (e.g., GM ~116.7 mm; Ram ~121.3 mm) while maintaining true centering on the wheel.
Note: Many generic spacers are cast—this is billet 6061-T6 for superior consistency and strength.
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 (adapter): 126.0 mm (oversize to clear OEM hubs)
- Type: Same-pattern billet adapter (not a bolt-pattern conversion)
- Material: 6061-T6 billet aluminum body with press-in steel studs (12.9)
Vehicle Fitment (YMM) — Trucks Only
Exact-match requirements: 8×6.5″ (8×165.1 mm) wheel bolt pattern and M14×1.5 studs. The adapter’s 126.0 mm bore intentionally fits over smaller OEM hub bores (GM ~116.7 mm; Ram ~121.3 mm).
| Make | Model | Years | Notes |
|---|---|---|---|
| Chevrolet | Silverado 2500HD / 3500HD | 2001–2010 | 8×6.5 with M14×1.5 studs; OEM hub ~116.7 mm (adapter bore 126 mm fits over). |
| GMC | Sierra 2500HD / 3500HD | 2001–2010 | 8×6.5 with M14×1.5 studs; OEM hub ~116.7 mm (adapter bore 126 mm fits over). |
| Ram (Dodge) | Ram 2500 / 3500 (SRW) | 2012–Current | 8×6.5 with M14×1.5 studs; OEM hub ~121.3 mm (adapter bore 126 mm fits over). |
Exclusions: Ford Super Duty (8×170), GM HD 2011+ (8×180), and older Dodge/Ram with 9/16″ studs are not compatible with this SKU. Always verify your truck’s bolt pattern and stud thread before ordering.
Install Notes & How-To
- Verify specs: Your truck must be 8×6.5 (8×165.1) with M14×1.5 studs. This adapter’s 126.0 mm bore is larger than the OEM hub and will slide over (GM ~116.7 mm; Ram ~121.3 mm).
- Prep: Safely lift; remove wheels. Clean hub face & center bore. Remove rust, burrs, or debris.
- Test fit: Place adapter on hub and confirm full, flush seating (no gaps). Stop if any interference occurs.
- Mount adapter: Install nuts on factory studs; tighten in a star pattern to your factory torque spec.
- Mount wheel: Install wheel on adapter studs; torque lug nuts evenly to spec.
- Clearance check: Spin by hand; verify no contact with calipers/knuckles and adequate fender/liner clearance through steering range.
- Re-torque: After 50–100 miles, re-torque adapter and wheel nuts; check periodically.
Safety: Ensure thread engagement ≥ stud diameter; never stack spacers; do not exceed OEM torque specs. Professional installation recommended.
What’s Included
- (1) 8×6.5 → 8×6.5 billet adapter with M14×1.5 studs and 126.0 mm center bore
- Installed press-in high-grade steel studs
Disclaimers
- Fits trucks that meet both: 8×6.5 bolt pattern and M14×1.5 studs. Hub bore may be smaller than 126.0 mm.
- Not a bolt-pattern conversion; the wheel must also be 8×6.5.
- Some trims/years vary by axle/brake package—verify before purchase.
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