Nowadays, using 4th gen 4Runner wheel spacers is one of the most popular modifications. Whether you’re looking to improve off-roading performance or simply aiming to achieve a unique, powerful look, installing the right wheel spacers is the easiest way to go. This upgrade keeps your rig stable when rock crawling, and nimble through the corners.
Many people wonder: “What size 4th gen 4Runner spacers are the best?” Let’s answer first. For most OEM 4th gen 4Runner, 25mm to 30mm spacers provide a perfect flush fitment. If you change to wider AT tires, you can use 35mm and thicker spacers. In this ultimate review, we will look at the benefits of spacers and tips for selecting the best set.
4th Gen 4Runner Wheel Spacers Pros and Cons
When choosing the best wheel spacers for 4th Gen Toyota 4Runner, size is a key factor. Depending on the wheel or application, your cars have a range of potential stock wheel spacer sizes, including 3mm to 50mm. Here are the before and after of each:
- 3mm to 12mm:
These small 4Runner wheel spacers provide a subtle change. They clear big brake calipers while keeping an OEM-like wheel style and handling. - 25mm to 30mm:
These moderate spacers provide a perfect flush stance for the 4th gen Toyota 4Runner. They improve the ride quality, particularly when cornering. - 35mm to 50mm:
Such big-size spacers are usually used to fit 33-35s AT tires. They also remove the rubbing issues when adding a 2” lift kit.
Who Sells the Best Wheel Spacers for a Toyota 4Runner Near Me?
Safety, precision, strength, and best experience are what sets apart BONOSS from other spacers manufacturers. All BONOSS forged wheel spacers for a 4th-gen Toyota 4Runner (2003-2009) are built strictly to operate well in heavy-duty and under any kind of 4×4 events. BONOSS offers several key advantages that make their spacers a top choice.
1. Active Cooling Benefits, Better Braking
BONOSS forged active cooling N210 4Runner wheel spacers come with heat dissipation grooves. The grooves allow the external cold air to flow continuously inside the spacer when it rotates. The air takes away the heat, actively dissipating heat for the braking system. This boosts the cooling efficiency, reducing brake thermal decay, and improving road safety.
2. Hub-centric Design, Zero Vibration
BONOSS forged hub-centric 4th gen 4Runner spacers are considered to be safer and more reliable. The hub-centric metal ring is machined to be multi-layers, the bevels fit for the corresponding hub flange, which eliminates any possible gaps. The 0.02mm machining precision guaranteed a high-quality surface, reducing the chance of high-speed vibration.
3. ISO Grade 12.9 Wheel Studs, Safer
BONOSS forged active cooling 4Runner 6 lug wheel spacers provide ISO grade 12.9 wheel studs to ensure quality exceeds OEM standard. High-strength wheel studs and nuts ensure a strong wheel-spacer-hub connection. These BONOSS wheel studs are approved by over 66 SGS TÜV test reports:
- Tensile strength≥1,220 MPa;
- Limited life range test≥2,000,000 stress cycles without damage;
- Ultimate tensile load≥152,000 N;
- Hardness (HV)≥395;
- Neutral Salt Spray≥500H.
Frequently Asked FAQ:
Q: Do I need to cut OEM studs for 4th gen 4Runner wheel spacers?
A: Generally, if you use stock wheels, you don’t need to trim OEM wheels studs for 6×139.7 spacers. So long as the wheel pockets are deep enough to contain the protruding studs, you can use 4Runner 1-inch wheel spacers without problems.
Q: What are the best 4Runner spacers for rock crawling?
A: The forged 7075-T6 aluminum wheel spacers are not easy to break even under hard driving. If you frequently go off-roading or hit the trails, then BONOSS forged 7075-T6 4Runner aluminum wheel spacers are the best option.
Q: How much do replacement wheel spacers for a Toyota 4Runner cost?
A: The cost of a set of good 4th gen 4Runner wheel spacers (set of 4) starts around $300 and goes up to $600. Besides, the typical labor cost for installing wheel spacers can range from $20 to $50 per hour.
Final Summary: Unlock Your 4Runner’s Off-Road Potential with BONOSS
From useful active cooling advantages to unmatched quality, BONOSS makes the best forged wheel spacers for a 4th Gen Toyota 4Runner. They are designed to provide a safe, reliable, and enhanced driving experience. Choose BONOSS and experience the difference—engineered for those who demand the best.
(Hi, I’m Kevin Brian, a 30-year mechanical engineer. For a better user experience, this article is original content uploaded by humans. It is not generated by Artificial intelligence (AI) Models or tools.)
