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AUDI A4/S4 (B9) 17+
Unlock the full handling potential of your Audi A4 or S4 B9 with the Riaction Performance Shocks Coilover Kit, engineered for drivers who want to achieve a lower ride height, improved cornering, and a comfortable yet responsive street ride. This complete suspension upgrade offers the perfect balance between daily drivability and spirited performance.
Each kit includes 32 levels of damping adjustment and full-length ride height adjustability, giving you total control over how your Audi rides and responds. Built from high-quality materials and precision-machined components, Riaction coilovers deliver consistent performance and long-lasting durability.
Backed by a 2-year factory warranty, this coilover system is designed to meet the needs of both street enthusiasts and performance-focused Audi owners.
🔧 Coilover Features:
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Full-Length Ride Height Adjustment
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32 Damping Adjustment Levels
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Mono-Tube Damper Design
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Seamless 52mm Electroplated Carbon Steel Shock Body
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20mm Piston Rod (for McPherson Suspension)
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14mm Piston Rod (for Non-McPherson Suspension)
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CNC 6061 Aluminum 44mm High-Flow Piston
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Thinned CNC 6061 Floating Piston
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SAE9254 Cold-Wound Springs
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Polyurethane Oil Seals
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Multi-Thickness Valving Shims
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Low-Gas Pressure Design
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7.5w Compounded Suspension Fluid
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Fully Rebuildable Coilover Assembly
📧 International Orders: For global shipping inquiries, please email info@riactionshocks.com.
Refine your Audi B9’s stance and handling with Riaction coilovers—precision-tuned suspension engineered for real-world performance.