Fox Racing Shocks 981-35-406-L Factory Race External Bypass Piggyback Shock - 3.5x16 5-Tube Left

The Fox Racing Shocks 981-35-406-L is a Factory Race Series 3.5" x 16" External Bypass Piggyback Shock (Left side) engineered for the most demanding off-road racing and performance applications. Featuring a 5-tube external bypass design with 1" bypass tubes, this shock provides precise, zone-based damping control across the full range of suspension travel — delivering exceptional wheel control over rough terrain, whoops, and high-speed obstacles.

The large 3.5" shock body flows significantly more oil volume than standard shocks, dramatically reducing heat buildup and fade during extended high-intensity use. The integrated piggyback reservoir provides additional oil and nitrogen gas capacity, further improving thermal management and consistent damping performance lap after lap.

Key Features:

• 3.5" bore shock body for maximum oil volume and heat dissipation
• 5-tube external bypass system with 1" bypass tubes for precise zone-tuned damping
• 16" stroke for long-travel suspension applications
• Piggyback reservoir for increased fluid capacity and improved fade resistance
• Left-side specific configuration (MPN: 981-35-406-L)
• Rebuildable and fully serviceable for long-term race use
• Custom valving options available to match specific vehicle setups and driving styles
• Aluminum shock body construction for lightweight strength and corrosion resistance
• High-flow internal valving designed for Factory Race-level performance

Designed and built by Fox Racing Shox — a leader in off-road suspension technology — this Factory Race shock is the choice of professional racers and serious off-road enthusiasts who demand the highest level of tunable damping performance. Its rebuildable design and custom valving capability ensure the shock can be optimized and maintained over the life of a race program.