2014-2025 Cummins Rear 0-3" 2.5 Performance Series HTO Shock (987-24-027)

The FOX 2.5 Performance Series HTO shock is a direct bolt-on upgrade featuring position-sensitive valving and larger pistons for improved on- and off-road handling. Its anodized aluminum body resists corrosion and dissipates heat efficiently. An internal floating piston separates shock oil from nitrogen, optimizing damping performance. Hydraulic Top Out (HTO) technology provides controlled rebound damping, reducing harsh top-outs and enhancing comfort—especially with heavier tires or lifts beyond factory specs. Install these shocks to boost damping and enjoy smoother, more controlled rides.

Part Number: 987-24-027

• 2.5” Impact extruded 6061-T6 aluminum shock body
• Type II clear-anodized body plating
• High-flow velocity-sensitive damping
• 5/8” hard chrome shaft
• Internal floating piston (IFP)
• Hydraulic Top Out (HTO) piston

• Series: Performance
• Travel: 9.09
• Extended Length: 26.48
• Compressed Length: 17.39
• Top Mount: Eyelet
• Bottom Mount: Eyelet

Installation Instructions

Parts Only

• Limited 1-Year Warranty

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