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SKU:FOX987-24-024

FOX

Fox 2.5 IFP Front Shock - 6.5 in Lift | 2020-2026 GMC Sierra 3500HD

Fox 2.5 IFP Front Shock - 6.5 in Lift | 2020-2026 GMC Sierra 3500HD

Regular price $346.95 USD
Regular price Sale price $346.95 USD
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The FOX 2.5 IFP Front Shock fits the 2020-2026 GMC Sierra 3500HD with 6.5in of front lift and delivers race-proven damping for extended off-road travel.

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Install Difficulty: Professional Install Only
Front shock replacement on a lifted HD truck requires a vehicle lift and spring compression, typically takes 2-3 hours per side, and a professional alignment is required after any suspension modification.

Product Overview

This front shock uses a 2.5in aluminum body with a race-developed main piston and a true internal floating piston (IFP) that separates gas and oil for fade-resistant performance.

Application-specific valving reduces body sway on-road while extending drop-out travel off-road.

The aluminum construction dissipates heat four times better than steel and the shock is fully serviceable for a long service life.

Features & Specifications

  • Fits: 2020-2026 GMC Sierra 3500HD
  • Provides 4.5-6.5" of front lift
  • Accommodates 6.5in front lift applications
  • 2.5in aluminum body dissipates heat efficiently
  • Internal floating piston separates gas and oil
  • Race-developed main piston, vehicle-specific valving
  • Extends drop-out travel for off-road performance
  • Fully serviceable and rebuildable
  • Corrosion-resistant for harsh environments

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2020-2026 GMC Sierra 3500 HD AT4
2020-2021 GMC Sierra 3500 HD Base
2020-2026 GMC Sierra 3500 HD Denali
2024-2026 GMC Sierra 3500 HD Denali Ultimate
2022-2026 GMC Sierra 3500 HD Pro
2020-2026 GMC Sierra 3500 HD SLE
2020-2026 GMC Sierra 3500 HD SLT
⚠ Submodel Fitment: If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.

Shipping & Returns

Tracking is typically provided within 3–5 business days; items shipping direct from the manufacturer may take 5–7. Some items are made to order or may be backordered. Questions about stock? Reach us through live chat or email.

Warranty

All warranties are through the manufacturer and are facilitated by Stateside Performance. Some manufacturers require the end user to contact them directly; in that case we will point you to the right contact. Email us with any warranty questions.

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  • Free shipping over $250

    Free shipping applies to items that are shipped via ground through UPS or FedEx and are over $250 going to the continental 48 states. This does not apply to Alaska or Hawaii, and does not apply to any item(s) that are shipped via freight or with any other option other than ground shipping.

    Shipping policy 
  • 30-day returns

    Returns must be requested within 30 days of delivery. Parts must be new, unused, uninstalled, and in original packaging, with an RMA. Some items are final sale.

    Return policy