Best 8×170 to 8×6.5 Hub Conversion Wheel Adapters for Improved Stance and Performance
If you’re upgrading wheels on 8-lug trucks or vans, converting from 8×170 to 8×6.5 can open up a wider wheel selection and correct offset. This guide reviews five reliable wheel adapter kits that convert hub patterns safely while maintaining proper bore alignment and torque specifications. Each product is designed to fit specific models and years, so verify compatibility with your vehicle’s hub size and brake clearance before installation.
Summary of selected products:
- ECCPP 4PCS Change Bolt Pattern 2″ Adapters 8×170 to 8×6.5 (126mm hub, 14×1.5)
- ECCPP 4PCS Change Bolt Pattern 1.5″ Adapters 8×6.5 to 8×170 (126mm hub, 9/16″ stud)
- Customadeonly Forged 2″ Adapters 8×165.1 to 8×170 (125mm to 124.9mm bore, M14x1.5)
- FLYCLE 2″ Adapters 8×6.5 to 8×170 (126.15mm bore, 9/16-18)
- Customadeonly 4pcs 1.25″ Adapters 8×165.1 to 8×170 (126mm bore, M14x1.5)
ECCPP 2-Inch Wheel Adapters: 8×170 To 8×6.5
These lug-centric adapters convert the 8×170 bolt pattern to 8×6.5 for certain Ford F-Series and Excursion models. They provide a 2-inch offset and list a 126mm hub bore and 14×1.5 thread pitch. Proper torque is recommended at 85–90 ft-lbs. The kit aims to enhance stability and balance while affording a more aggressive stance. Installation notes emphasize cleaning hub surfaces to reduce vibration and ensuring the adapters seat flush against the hub.
Key considerations: verify vehicle year range (2003–2022 F-250/Super Duty, compatible Excursion), ensure the wheels are 8×6.5 compatible, and follow torque specs to minimize vibration. This option is aimed at riders seeking a straightforward 8×170 to 8×6.5 conversion with a spacious center bore fitment.
ECCPP 1.5-Inch Adapters: 8×6.5 To 8×170
This kit converts from 8×6.5 to 8×170 with a 1.5-inch thickness and a 126mm hub bore. It’s designed for a broad range of 3/4-ton and larger trucks listed in its compatibility notes, including several Econoline and F-Series variants. Torque guidance shows 130–140 ft-lbs for tight, secure mounting, and the design emphasizes lug-centric stability. It’s a solid choice if you’re aiming for improved wheel offset while keeping a sturdy hub fit.
Things to verify: 9/16″ studs are often required, ensure wheels have adequate clearance, and confirm the frame and brake components won’t interfere with the adapter thickness. This option is favored when a modest, precise offset correction is needed without changing overall wheel diameter.
Customadeonly Forged Adapters: 2-Inch, 8×165.1 To 8×170
Customadeonly offers forged adapters with a 2-inch thickness, converting 8×165.1 hubs to 8×170 wheels. The bore is listed at 125mm on the wheel side and 124.9mm for the hub, with M14x1.5 studs. They are engineered for lug-centric mounting and claim CNC precision for consistent fit. Some applications may require trimming factory studs if they protrude beyond the adapter surface, ensuring a flush wheel seating.
Important considerations: confirm the hub bore tolerance on your vehicle and note that this solution adds a substantial 2 inches per side, which can affect clearance around suspension and brake components. This is a robust choice for those seeking a strong, precision-fit adapter kit with a classic forged build.
FLYCLE 8×6.5 To 8×170 Wheel Adapters
FLYCLE’s adapters convert 8×6.5 hubs to 8×170 wheels with a 126.15mm bore and 9/16-18 thread studs. The kit includes four adapters plus high-strength threadlockers and a manual. Compatible applications span Ram 2500/3500 and various Ford Econoline and F-Series models through multiple decades. Recommended torque ranges are 85–90 ft-lbs for secure mounting, helping maintain stability on high-speed driving and cornering.
Key considerations: inspect wheel clearance, brake caliper spacing, and fender clearance for the wider stance. The FLYCLE set is useful for owners seeking a balanced approach to offset correction with a reliable 4-pack configuration.
Customadeonly 4-Pack Adapters: 1.25-Inch Thick
This 4-pack from Customadeonly adds 1.25 inches per side, converting 8×165.1 hubs to 8×170 wheels. The bore is 126mm and studs are M14x1.5. It’s positioned as a practical option for offset adjustment while maintaining solid hub alignment. The description notes that these adapters are lug-centric and may require stud trimming if the wheels sit tight against the adapter.
Considerations: assess whether the extra 2.5 inches of total offset (1.25″ per side) aligns with your wheel choice, brake clearance, and suspension geometry. This kit serves drivers seeking a mid-range offset correction with a straightforward installation.
Buying Guide: Key Purchase Considerations And Comparisons
Purpose and safety: Wheel adapters modify hub patterns and offset. Ensure the product specifies lug-centric or hub-centric mounting as appropriate for your wheel and vehicle. Lug-centric designs rely on the lug nuts to center the wheel, while hub-centric designs use the hub bore for centering, both affecting vibration and balance if misaligned.
Compatibility: Verify the exact vehicle year, model, and trim. Even within the same model line, brake caliper sizes, rotor thickness, and suspension geometry can influence fit. Check bore diameter, bolt pattern, thread pitch, and stud size (common are 14×1.5 or 9/16″-18).
Thickness and offset: Adapters come in various thicknesses from 1.25″ to 3″. Higher thickness changes wheel offset and can impact suspension components and fender clearance. Choose a thickness that achieves your desired stance without compromising safety or brake clearance.
Torque and installation: Follow manufacturer torque specs to avoid loose connections or over-torquing. Clean both hub and adapter mounting surfaces to prevent corrosion, rust, or debris from causing imbalance. Some installations may require trimming factory studs if they protrude beyond the adapter surface.
Material and quality: Forged adapters typically offer improved strength and durability over stamped designs. CNC machined finishes can enhance precision and uniformity, reducing balance issues. Consider corrosion resistance if you frequently drive in harsh conditions.
Warranty and supported vehicles: Look for adapters with clear warranty terms and documented compatibility lists for your vehicle. A reliable source will provide model year ranges and installation tips to ensure proper fitment.
Performance effects: Offsetting wheels outward can enhance stance and stability at high speeds but may alter steering response and steering effort. If you use the adapters to widen track width, ensure tires clear suspension components and fender lips at full lock.
Installation resources: Some sellers provide installation notes, torque specs, and alignment recommendations. When in doubt, consult a professional installer to verify fitment and assess potential brake clearance issues before driving.