Fox Racing Shox 4.0 Factory Race Series Bypass Piggyback Shocks

Fox Racing Shox 4.0 Factory Race Series bypass piggyback shocks are designed to withstand incredible punishment and provide consistent performance you can rely on. Racing has always been the cornerstone of Fox product development, and their diverse line of bypass shocks are all made with one goal in mind—to win! Select the extended and collapsed length options you prefer. Additional product details: * Smooth bore and honed seamless steel bodies * Zinc plated for a long-lasting finish * Black anodized, CNC-machined 6061-T6 billet aluminum components * Stainless steel piston for improved performance at high temperatures * Tunable, velocity sensitive deburred valve shims * High-temperature Viton® redundant sealing pack system with main, wiper, and scraper seals * JM92 Advanced Suspension Fluid for improved performance at variable temperatures * 17-4 H900 hard chrome plated stainless steel shafts * PFTE-lined, heat-treated alloy steel spherical bearing * Adjustments: Rotating body cap; compression and rebound valving; compression, rebound, and free bleed bypass adjusters * Available in 4 and 5 tube Show Less