Peak Suspension Peak Billet Lower Trailing Arms For 4Runner (2025-Current)

Precision-engineered and built for those who push their rigs to the limit, our new Peak Billet Lower Trailing Arms set a new standard for strength, function, and style. Machined from solid billet aluminum, these arms deliver unmatched durability and aesthetic appeal — making them as tough as they are beautiful.

Each arm features massive 1” ProBearing uniballs for extreme articulation, stability, and long-term reliability under the harshest conditions. Integrated high-impact machined skid plates protect against rocks and trail abuse, so you can drive harder with confidence.

Designed, tested, and proudly machined in the USA, these trailing arms are the ultimate combination of form, function, and performance — a perfect match for any serious off-road build.

Key Features:

• CNC-machined billet aluminum construction for maximum strength and precision

• 1” ProBearing Uniball bearings for superior articulation and control

• Integrated high-impact skid plates for trail protection

• Anodized finish for corrosion resistance and long-lasting beauty

• Direct bolt-on design for easy installation

• Made in the USA

In stock? It ships fast.
In-stock items ship from our warehouse in Utah, usually within 1–2 business days. Sometimes we ship part of your order separately to get it to you sooner, at no extra cost. Each package gets its own tracking number by email.

Some items are ordered for you.
Certain items are special-ordered from the manufacturer after you buy. The estimated lead time is listed on this page, and shipping time is added after that. We will send you updates as we receive them.

Questions? You can always reach out. Call or text us at (385) 526-3903.

Returns
You have 30 days from delivery to send something back. It has to be uninstalled, unused, and in its original packaging. Start your return through our returns portal and we’ll walk you through it.

Warranty
4Runner Lifestyle has your back with a strong warranty, and we’ll always work to get you covered. Call us and we’ll handle the claim with the manufacturer for you.

Questions? Call or text us at (385) 526-3903.

Read our full Return Policy.