Fox

Piston Shaft, 8.5x2.50

Fox Piston Shaft, 8.5x2.50 is a direct-replacement internal shaft used in the damper assembly of compatible Fox rear shocks. For riders servicing a worn, damaged, or scored damper shaft, replacing this precision part helps bring the shock back to consistent damping control and reliable performance under load—without compromising fit or function.

• Genuine-fit damper component - Designed as a correct-fit replacement shaft for Fox rear shock damper rebuilds, helping ensure proper internal alignment and smooth operation
• Restores damping consistency - Replacing a worn shaft can reduce performance drift caused by scoring or wear, supporting more predictable rebound/compression behavior on the trail
• Service-ready sizing - Listed size 8.5x2.50 to match the correct replacement specification for the intended shock configuration
• Rear shock rebuild essential - Intended for internal service when refreshing seals, oil, and wear parts, helping extend the usable life of a high-value rear shock