AST Suspension RAC-R2003S Series Motorsport Coilover Kit - 5300 3-Way

The AST Suspension RAC-R2003S is a championship-caliber 5300 Series 3-way adjustable motorsport coilover system engineered for dedicated racing enthusiasts and serious track drivers. This complete monotube coilover kit delivers professional-level suspension tuning with independent adjustment of rebound, low-speed compression, and high-speed compression via external remote reservoirs.

Key Features:

• 3-way adjustable damping: independent rebound and separate low-speed/high-speed compression adjustment
• Rebound adjustment with 12 distinct positions for precise control of damper extension
• High-speed compression adjustable in 12 positions via external canister
• Low-speed compression adjustable in 14 positions via external canister
• Monotube coilover design for superior heat dissipation and consistent performance
• Inverted strut design engineered to withstand heavy side loads and braking forces
• External remote reservoirs for independent high and low-speed compression tuning
• Camber-adjustable front top mounts (where applicable) for enhanced front-end grip
• Solid rear top mounts for durability under demanding track conditions
• Ride height adjustable for optimal vehicle setup
• Springs included for complete ready-to-install system
• Fully rebuildable at certified AST service centers

Performance Benefits:

• Reduces body roll during hard cornering for improved responsiveness
• Maintains optimal tire contact with the road surface for maximum traction
• Low-speed compression tuning controls gradual weight transfer and body motion
• High-speed compression tuning manages rapid impacts and harsh road conditions
• Independent adjusters allow fine-tuning without compromise
• Camber adjustment transforms front-end grip and steering response

The AST 5300 Series represents the pinnacle of motorsport suspension technology, combining decades of racing experience with precision manufacturing. Each damper is built to exacting standards using high-grade materials for reliability and low maintenance requirements throughout the racing season.