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If you want a wider track or need extra clearance for larger tires and brake components, choosing the right Subaru Outback wheel spacers matters. The right spacers can improve stability, reduce tire rub, and help you achieve a desired stance without compromising handling when they are selected and installed correctly. This guide covers our shortlisted top picks for Subaru Outback wheel spacers and explains the criteria used to evaluate them, including fitment accuracy and construction quality. Read on to understand the key factors and what to check before installing spacers on your Outback.
Looking for other parts? See all Subaru Outback parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Orion Motor Tech 1" 5×4.5 Hub-Centric Wheel Spacers with M12x1.5 Studs (4 pcs) |  |
| Most Popular A crowd favorite that many people choose with confidence | AA Ignition 1" 5×100 Hub-Centric Wheel Spacer Kit (56.1mm Bore) with Hardware |  |
| Best Quality Built to a higher standard if you want something more solid | Customadeonly 25mm Hubcentric Wheel Spacers 5×114.3 (56.1mm) M12x1.25, 4pc |  |
| Best Budget The cheapest option that still gets the job done reliably | IRONTEK 1" 5x100mm Hubcentric Wheel Spacers (56.1mm Bore, 12×1.25 Thread) |  |
| Most Sold A high-volume bestseller chosen again and again | PHILTOP 5×100 Hub-Centric Wheel Spacers, 2" (56.1mm Bore) — 4-Pack |  |
| Best Value for Money The sweet spot between price and what you get | MZS 6mm (1/4") 5-lug Universal Wheel Spacers (4 pcs) |  |
| Best Overall The best all-around choice for most situations | dynofit 1" (25mm) Hub-Centric Wheel Spacers — Set of 4 |  |
1. Orion Motor Tech 1" 5×4.5 Hub-Centric Wheel Spacers with M12x1.5 Studs (4 pcs)
| Thickness | 1 inch |
|---|---|
| Bolt pattern | 5×4.5 |
| Stud size | M12x1.5 |
| Center bore | 64.1 mm |
| Pieces | 4 pcs |
These Orion Motor Tech 1-inch wheel spacers move the wheels outward to increase track width and can sharpen cornering and stability when fitted correctly to a Subaru Outback. They are machined from T6 aircraft-grade aluminum so they add minimal unsprung weight while remaining stiff, and the included Dacromet-coated M12x1.5 studs resist corrosion better than plain steel. The hub-centric design centers the spacer on the hub for a secure fit and the rear slots make removal easier and reduce installation damage. Typical use is bolt-on installation between the hub and wheel, using the factory lug hardware and the supplied studs and threadlocker. Users report easy fitment and minimal vibration when torqued to spec, but correct hub bore and bolt pattern verification is essential before buying. These spacers are a practical way to improve stance and handling without changing suspension components, though they do increase scrub radius and should be installed and torqued carefully to avoid excess stress on wheel bearings and studs.
Best for: A reliability-focused buyer who wants a factory-quality, bolt-on way to improve cornering feel and stance on a Subaru Outback without modifying suspension components.
Less Ideal for: Drivers seeking large track changes, heavy-duty off-road use, or those unwilling to verify hub and bolt pattern compatibility should consider other options or professional fitment.
- Hub-centric design for centered, stable fitment
- Made from T6 aircraft-grade aluminum to keep strength up and weight down
- Includes Dacromet-coated M12x1.5 studs for improved corrosion resistance
- Rear slots on the spacer make removal and servicing easier
- Increases scrub radius and places additional load on wheel bearings if oversized spacers are used
- Requires precise bolt pattern and hub bore match to avoid fitment issues
Verdict Solid, hub-centric 1-inch spacers that offer a reliable, corrosion-resistant bolt-on way to improve stance and handling on a Subaru Outback when fitment is confirmed.
2. AA Ignition 1" 5×100 Hub-Centric Wheel Spacer Kit (56.1mm Bore) with Hardware
| Bolt pattern | 5×100 |
|---|---|
| Spacer thickness | 1 inch |
| Hub bore | 56.1mm |
These AA Ignition wheel spacers move the wheel out one inch to create extra clearance for larger tires, brake calipers, or altered suspension geometry on Subaru Outback models. The kit is sold as a full set with studs, lug nuts, and installation hardware so you can fit them without buying additional parts. CNC machining and an anodized finish improve corrosion resistance and the included grade 10.9 studs and heat-treated lug nuts aim to provide secure mounting. In practical use this translates to a wider track and the potential for improved stability and fitment for aftermarket wheels that would otherwise rub. Some owners report quiet, OEM-like fitment while a minority note audible noise or durability concerns over many miles, so correct installation and periodic re-torque checks are important. These spacers are a convenient bolt-on option when you need extra clearance on a Subaru Outback, but they require careful installation and may change wheel loading and alignment setup.
Best for: Convenience-driven Subaru owners who want a simple bolt-on way to gain clearance or achieve a wider stance without fabricating parts or sourcing separate hardware.
Less Ideal for: Drivers seeking a permanent OEM-like upgrade for heavy-duty or track use should consider purpose-built wheels or professional suspension modifications instead.
- Complete kit includes studs, lug nuts, and hardware for straightforward installation
- CNC machined, anodized finish resists corrosion and gives a precise hub fit
- Grade 10.9 studs and heat-treated lug nuts for stronger clamping compared with generic hardware
- Adds 1 inch of clearance to allow larger tires or caliper upgrades without wheel modification
- Some users report noise or premature issues after extended use, indicating variable long-term durability
- Shifting the wheel outward changes suspension geometry and may require alignment or additional adjustments
Verdict A convenient, hardware-complete 1-inch spacer kit that makes adding clearance to Subaru Outback wheels quick but requires proper installation and alignment checks.
3. Customadeonly 25mm Hubcentric Wheel Spacers 5×114.3 (56.1mm) M12x1.25, 4pc
| Spacer thickness | 25mm |
|---|---|
| Bolt pattern | 5×114.3 |
| Center bore | 56.1mm |
| Stud size | M12x1.25 |
These Customadeonly 25mm hubcentric spacers bolt onto the factory hubs and add a consistent 25mm of offset to wheels with a 5×114.3 bolt pattern and 56.1mm center bore. They are CNC machined from 6061 T6 aluminum and use heat-treated carbon steel studs, so the parts are lightweight yet strong and intended to maintain wheel balance after installation. Typical use is to correct wheel offset, fill the wheel arches for a wider stance, or provide extra clearance for tires and suspension components on the Subaru Outback. Installation is straightforward for someone comfortable with basic wheel work and torque procedures, and many owners report no vibration when installed correctly. Important limitations are that spacers increase the lever on hub bearings and studs, so they require correct torque, periodic checks, and careful driving load considerations; one reviewer reported stud failure after long-distance driving, which suggests close attention to installation procedure. These spacers are a practical performance-oriented upgrade when fitment and maintenance are handled responsibly.
Best for: Performance-oriented Subaru Outback owners wanting a wider stance and improved tire clearance who prioritize precision fitment and driving feel.
Less Ideal for: Drivers looking for a no-maintenance cosmetic tweak or those who frequently carry heavy loads or tow without upgrading hub components should consider other solutions.
- CNC machined 6061 T6 aluminum construction for consistent fit and reduced imbalance risk
- Hubcentric design with lip for centered, straightforward installation
- Includes heat-treated class 10.9 carbon steel studs for strong clamping
- 25mm width gives a noticeable stance change and extra tire clearance without extreme offset
- Adds stress to wheel bearings and studs compared with stock setup and requires regular torque checks
- Not a permanent suspension or alignment fix; may affect handling characteristics if misused
Verdict Well-machined 25mm hubcentric spacers that give Subaru Outbacks a wider, more composed stance when installed and maintained correctly.
4. IRONTEK 1" 5x100mm Hubcentric Wheel Spacers (56.1mm Bore, 12×1.25 Thread)
| Bolt pattern | 5x100mm |
|---|---|
| Thickness | 1 inch / 25mm |
| Thread pitch | 12×1.25 |
| Hub bore | 56.1mm |
These IRONTEK 1-inch wheel spacers are a budget-friendly way to push wheels outward on compatible Subaru models to improve stance, increase tire clearance, and correct minor brake caliper fitment issues. They mount between the hub and wheel, using the locating ring to transfer load to the hub rather than the studs which helps reduce vibration when properly fitted. Machined from T6 billet aluminum and coated for corrosion resistance, they are lighter than steel alternatives and meant for routine street use where a modest track width increase is desired. Practical benefits include improved lateral stability and the ability to fit wider offset wheels without rubbing. Important limitations are that factory studs may protrude past the spacer face, so you may need shorter studs or to trim existing ones, and these spacers are specific to Subaru 5×100 hubs with a 56.1mm bore so fitment must be confirmed before purchase. Expect a simple bolt-on install if your wheel and stud configuration match, but budget pricing means the product is utilitarian rather than high-end racing hardware.
Best for: Budget-conscious Subaru owners wanting a simple, low-cost way to widen track width, clear brakes, or fit slightly wider wheels while prioritizing value over premium features.
Less Ideal for: Drivers planning aggressive track use, heavy-duty off-road loads, or those who need a spacer engineered for maximum aftermarket performance should choose a higher-spec, validated option.
- Hubcentric design centers the wheel on the hub to reduce vibration when correctly matched
- T6 billet aluminum construction is lighter than steel and resists corrosion with a protective coating
- 1-inch thickness provides modest track width increase for improved clearance and stance
- Made to match 5×100 bolt pattern and 12×1.25 thread pitch for direct fit on specified Subaru hubs
- May require replacing or shortening factory studs if they protrude through the spacer
- Fitment is limited to Subaru hubs with a 56.1mm bore so it is not universal
- Budget-oriented manufacturing means fewer refinements compared with premium spacer brands
Verdict A practical, low-cost hubcentric spacer for Subaru owners who want a modest track-width gain or to clear brakes without spending on premium hardware.
5. PHILTOP 5×100 Hub-Centric Wheel Spacers, 2" (56.1mm Bore) — 4-Pack
| Bolt pattern | 5x100mm |
|---|---|
| Thickness | 2 inch (50.8mm) |
| Thread pitch | M12x1.25 |
| Hub bore | 56.1mm |
| Recommended torque | 70-80 ft/lbs |
These PHILTOP spacers bolt between the wheel and hub to push your wheels 2 inches outward, which helps with brake caliper clearance, fitment of wider tires, and a wider track for improved cornering stability. They are CNC-machined from 6061-T6 aluminum with an anodized finish and use preinstalled heat-treated studs for corrosion resistance and consistent fit. Typical use is a bolt-on installation on compatible Subaru models followed by torquing to the recommended 70–80 ft-lbs and a re-torque after 25–50 miles. Practical benefits include resolving rubbing issues, allowing a more aggressive stance, and retaining good wheel balance when installed correctly. Limitations to note: the product description lists vehicle fitment ranges so you must confirm the exact model year and trim before buying, and some users report stud length or thread mismatch on non-matching hubs which may require different hardware or conversion nuts. These are not a universal fix for every fitment problem and careful verification of thread pitch and hub bore is required prior to installation.
Best for: Risk-averse mainstream buyers looking to fix rubbing or clearance issues on their Subaru while prioritizing a factory-quality appearing, bolt-on solution and predictable fitment.
Less Ideal for: Buyers who want a guaranteed hub-centric conversion or who are unwilling to verify thread pitch and hub bore before installation should look at purpose-built hub-centric options or professional fitment assistance.
- Thick 2-inch offset provides significant clearance for larger tires and calipers.
- CNC-machined 6061-T6 aluminum with anodized coating for corrosion resistance and consistent fit.
- Preinstalled heat-treated studs improve durability and simplify installation.
- Includes hardware for a full 4-piece wheel set, suitable for wheel-to-hub spacing needs.
- Requires confirming thread pitch and stud length for some vehicle years; may need additional nuts or bolt trimming.
- Not a universal hub-centric solution for every application; some buyers prefer dedicated hub-centric spacers for perfect wheel centering.
Verdict A sturdy, CNC-machined 2-inch spacer set that solves clearance and stance issues for compatible Subaru models if you confirm fitment and thread compatibility beforehand.
6. MZS 6mm (1/4") 5-lug Universal Wheel Spacers (4 pcs)
| Thickness | 6mm (1/4") |
|---|---|
| Thread pitch | M12 / 7/16" |
| Bolt patterns covered | Multiple 5-lug PCDs (5×98–5×115 range) |
These MZS spacers are thin 6mm hub-centric-style pieces cut from a single block of aluminum to add modest clearance between wheel and hub without large changes to handling. They are typically used to correct minor rubbing, allow slightly wider wheels, or achieve a flusher look on compatible vehicles. The set fits a wide range of 5-lug PCDs and uses M12 (7/16") studs, so installation is straightforward when the thread pitch and bolt circle match. The CNC one-piece construction means the mounting holes and center bore are well machined, which helps the wheel run true and reduces vibration risk when torqued correctly. Important limitations: these are thin spacers only and will not change bolt pattern or provide extended load-bearing like thicker adapters, and correct stud length and re-torquing after 25–50 miles are necessary. Professional installation or careful DIY work is recommended to confirm hub-centric fit and safe lug engagement on the vehicle.
Best for: Practical optimizers who want an affordable, low-risk way to clear minor rubbing or achieve a slightly wider stance while prioritizing straightforward, value-focused upgrades.
Less Ideal for: Drivers planning major wheel conversions, heavy towing, or those needing large offset changes should choose thicker adapters or vehicle-specific hub-centric solutions instead.
- CNC one-piece aluminum construction for precise hole and bore alignment
- Thin 6mm thickness provides minor clearance without large changes to scrub radius
- Covers many 5-lug PCDs and uses common M12/7/16" thread pitch for broad compatibility
- Well-machined center bore helps maintain wheel concentricity and reduces vibration
- Not a bolt-pattern changer or heavy-duty adapter so cannot convert incompatible wheels
- Requires verification of stud thread pitch and correct stud length for safe lug engagement
Verdict A budget-friendly, precisely machined 6mm spacer that fixes minor clearance and stance issues on compatible 5-lug setups but is not intended for major wheel conversions.
7. dynofit 1" (25mm) Hub-Centric Wheel Spacers — Set of 4
| Bolt pattern | 5×4.5 (5×114.3mm) |
|---|---|
| Hub bore | 64.1mm |
| Thickness | 1" (25.4mm) |
| Stud thread pitch | M12x1.5 |
| Material | 6061-T6 Aluminum |
These dynofit spacers push the wheel 1 inch out from the hub to correct clearance issues, allow larger tires, and give a wider stance. They are forged from 6061-T6 aluminum, CNC machined and anodized, and use a hub-centric lip to keep the wheel concentric at speed. Typical use is bolt-on installation in place of factory lug nuts or studs to create additional clearance for brakes, suspension components, or wider tires. Practical benefits include a neater fitment without major wheel modification, improved cornering stability from a wider track, and a cosmetic flush look. Limitations are that spacers alter driveline loads and wheel offset, so they must match the Outback's bolt pattern and hub bore and be installed torqued to spec; some users report discoloration of the finish over time and there are rare reports of related component stress when used improperly. Always verify vehicle fitment and local regulations before installing on a Subaru Outback.
Best for: Balanced all-round buyers who want a practical cosmetic and clearance upgrade for their Subaru Outback and prioritize reliable, factory-quality fitment and handling improvements.
Less Ideal for: Drivers who plan aggressive off-road modifications, extreme wheel offsets, or who prefer to avoid any change to factory wheel geometry; also not for those who cannot verify fitment to the Outback first.
- Forged 6061-T6 aluminum construction for strength and lighter weight than cast alternatives.
- Hub-centric design with raised lip for concentric mounting and reduced vibration risk.
- CNC machining and corrosion-resistant hardware to improve fit accuracy and durability.
- 25mm thickness provides meaningful clearance for larger tires or brake clearance without major modifications.
- Altering wheel offset increases loads on suspension and driveline components if not used carefully.
- Anodized finish may fade or change color over time with heat exposure.
- Requires exact bolt pattern and hub bore match for Subaru Outback; improper fitment can cause safety issues.
Verdict A solid, hub-centric 25mm forged spacer that gives a Subaru Outback more clearance and a wider stance when properly matched and installed.
Choosing the Right Subaru Outback Wheel Spacers: Key Factors to Consider
Bolt Pattern and Fitment
Correct bolt pattern is the first requirement when choosing wheel spacers. You must match the vehicle's lug pattern precisely so the spacer aligns with both the hub studs and the wheel mounting holes. Incorrect bolt pattern causes poor seating, makes mounting impossible, or can lead to uneven clamping forces.
Fitment also includes stud length and thread engagement. Spacers add thickness between the hub and wheel, so you need enough stud or bolt thread to safely secure the wheel. Always confirm the spacer design maintains adequate thread engagement after installation to preserve clamping strength and reduce risk of fastener failure.
Hub Centricity Versus Lug Centric Design
Hub-centric spacers have a center bore that matches the vehicle hub and centers the wheel directly on the hub, which helps minimize runout and reduce the chance of vibration. Lug-centric spacers rely on the lug nuts or bolts to center the wheel, which can be acceptable for some setups but may increase sensitivity to mounting tolerances.
Assess whether the spacer provides a hub-centric lip sized for the Subaru Outback hub diameter, since proper centering improves concentricity and overall ride smoothness. If a spacer is lug-centric, additional checks for concentric mounting and periodic torque verification are more important.
Material and Manufacturing Quality
Spacer material affects strength, weight, and corrosion resistance. High-quality aluminum alloys that are fully CNC machined provide consistent wall thickness and tight tolerances, which help ensure the spacer seats flat against the hub and wheel. Poorly cast or stamped spacers can have irregular faces that cause stress concentrations or poor clamping.
Surface finish and protective coatings matter for longevity, especially in climates with road salt or moisture. Look for corrosion-resistant finishes and reliable machining tolerances that are specified by the manufacturer to reduce the chance of fitment issues or premature failure.
Thickness and Offset Effects
Spacer thickness directly changes wheel offset and track width, which affects handling, steering geometry, and clearance. Thinner spacers may be used for slight stance adjustments or to clear minor caliper interference, while thicker spacers push the wheel further out and can alter scrub radius and steering feedback.
Plan the thickness based on required clearance and the tradeoffs you are willing to accept. Very wide spacers can increase leverage on wheel bearings and suspension components, so consider whether hub adapters, upgraded bearings, or reinforced components might be necessary for substantial offsets.
Hardware and Installation Requirements
Check whether the spacer uses extended studs, a bolt-through design, or a combination. The hardware type determines the installation steps and whether you need special tools. Some spacers include new studs and nuts or a specific installation kit, while others require reusing factory hardware with additional torque verification.
Also verify torque specifications and recommended installation procedures. Proper torque and a correct tightening sequence help maintain clamping force and minimize the chance of loosening. Understand whether washers, thread-locking compounds, or anti-seize are recommended for the selected spacer design.
Vibration Risk and Long-Term Reliability
Improperly fitted spacers can introduce vibration, especially if the spacer or wheel is not perfectly concentric. Hub-centric designs and tight manufacturing tolerances help reduce vibration risk, while cumulative tolerances across hub, spacer, and wheel can create runout if not controlled. Consider the spacer's load rating and fatigue resistance to ensure it can handle repeated stress over time.
Plan for periodic inspections after installation to check torque and seating. Long-term reliability is also influenced by environmental exposure and maintenance, so choose spacers with appropriate finishes and verify that replacement hardware is available if needed.
FAQ
Are wheel spacers safe to use on a Subaru Outback?
Wheel spacers can be safe when they are correctly specified and properly installed. Key safety factors include matching the bolt pattern, ensuring sufficient thread engagement, and using spacers with appropriate load ratings and manufacturing tolerances. Regular torque checks and inspections after initial installation help maintain safety and long-term reliability.
How do I determine the right spacer thickness for my Outback?
Choose spacer thickness based on the clearance you need and the effect on wheel offset and steering geometry. Measure tire and wheel clearance to suspension and fenders, and consider how additional scrub radius might change handling. Opt for the minimum thickness that solves the interference issue to reduce extra load on bearings and suspension components.
Do hub-centric spacers reduce vibration compared to lug-centric spacers?
Hub-centric spacers often reduce the chance of vibration because they center the wheel on the vehicle hub and minimize runout. Lug-centric spacers rely on the lugs for centering and can be more sensitive to cumulative tolerances. However, proper installation and precise manufacturing are important for either type to avoid vibration issues.
What installation steps are essential for wheel spacers?
Essential steps include cleaning mating surfaces, confirming bolt pattern and center bore fit, and using the correct hardware. Tighten fasteners in the recommended sequence to the specified torque values and recheck torque after a short break-in period. If a spacer includes new studs or an installation kit, follow the provided instructions closely.
Will wheel spacers cause extra wear on wheel bearings?
Spacers increase the effective leverage on wheel bearings and suspension components, so they can contribute to additional stress over time—especially with very wide spacers. Choosing conservative thicknesses and monitoring components for wear helps mitigate long-term impact. Heavier duty or reinforced components may be advisable for substantial offsets.
How We Chose the Best Subaru Outback Wheel Spacers
We filtered potential wheel spacers for the Subaru Outback by focusing on fitment accuracy, material and manufacturing quality, installation practicality, and long-term reliability. Fitment accuracy included correct bolt pattern options that match Subaru hubs, precise center bore sizing to ensure hub-centric alignment, and verified stud or bolt compatibility. Material and manufacturing quality examined the alloy type, machining tolerances, and corrosion-resistant finishes that affect durability and safety. Installation practicality covered included hardware, required torque specifications, and whether an installation kit or instructions were provided. Long-term reliability considered load ratings, fatigue resistance, and design features that reduce vibration risk. We excluded spacers lacking clear technical specifications, products without documented bolt pattern or hub bore data, and any items with insufficient installation guidance. The final list favors spacers with verifiable engineering details and practical fitment features for Subaru Outback owners.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing Subaru Outback wheel spacers, prioritize correct bolt pattern, hub-centric fitment, and high-quality materials. Balance the thickness you need for clearance or stance with the potential effects on steering geometry and component load. Look for spacers with clear technical specifications, proper hardware, and documented installation guidance. Regular inspections and proper torqueing will help maintain safety and reduce the risk of vibration or accelerated wear.
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