Fox 2.5 Factory Series Internal Bypass Reservoir Pair 2.5 Inch to 4.0 Inch Front - FOX-883-02-068

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  • Regular price $ 1,294.95

The 2.5 Factory Series Internal Bypass shock delivers patented race-dominating position sensitive damping technology and performance in a hassle free bolt-on kit. Patented, position sensitive internal bypass technology contains internal passages that allow fluid to bypass the piston through regulated ports as it moves through the travel. They allow for a plush predictable ride over normal offroad driving conditions and also have the ability to ramp up damping force for extreme use. These heavy-duty, steel-bodied shocks are loaded with anodized billet aluminum components and race-bred internal valving. They are designed to bolt right on with your aftermarket long-arm suspension lift kit. The 2.5 Factory Series Internal Bypass shocks utilizing all of the same components form our race winning Trophy Truck shocks with stainless steel shock shafts, PTFE-lined spherical bearings, proprietary racing oil and high-temp Viton® seals. Large 2.5 inch remote reservoirs with a large -10 hose increasing the shocks cooling capabilities.

Dual Speed Compression (DSC) adjuster gives remarkable versatility and precise tuning. A simple twist of either two adjuster knobs allows twelve separate low-speed and ten high-speed compression levels.


  • Body - Smooth-bore, clear coated, zinc plated, honed seamless alloy bodies
  • Components - Black anodized 6061-T6 billet aluminum
  • Shaft - 7/8" hard chrome plated stainless steel 17-4 H900
  • Piston - Race-developed high-flow piston design
  • Valving - Application specific valving to maximize offroad performance
  • Seals - Redundant sealing pack system main seal, wiper seal, scraper seal
    Optional high temperature Viton seals
  • Oil - Specially formulated for ultimate performance at variable temperatures
  • Reservoir - External
  • Mounting - Applications available for stock and aftermarket lifts kits
    Teflon-lined, heat-treated, alloy steel spherical bearings


  • Nitrogen pressure
  • Compression valving
  • Rebound valving
  • Dual Speed Compression (DSC) adjuster (883-06-068/883-06-069) only