Direct: (503) 987-4002
Main: (503) 987-4000




Upgrade the on-road comfort and off-road control of your 2020-2024 Chevy Silverado or GMC Sierra 2500/3500 4WD with FOX Performance Series 2.5 IFP Front Shocks featuring Hydraulic Top Out (HTO) technology. Built for overland and off-road builds that demand consistent performance, these mono-tube shocks use an internal floating piston to separate shock oil from the high-pressure, nitrogen-charged gas chamber—eliminating oil aeration and delivering maximum performance from the factory-tuned, precision valving. The result is a predictable, fade-free ride capable of handling the roughest conditions, whether you're crawling a trail, hauling gear to camp, or putting miles down on the highway.
Hydraulic Top Out (HTO) technology adds position-sensitive rebound damping that works on and off the pavement, giving you usable control through the full range of suspension travel. If your truck is already running a BDS suspension system, this is a direct performance upgrade designed to take it further.
Shipping and lead time details will be confirmed at checkout or by our team after your order is placed.
We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.
If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.
We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.
Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.
Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.
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