BC Racing’s new proprietary digressive piston design offers increased damping force at low piston velocities while maintaining a linear damper feel at higher piston velocities. • Highly Customizable • Mono-Tube Shock Design • Digressive Piston And Damping Curve • Satin Chrome Finished Shock Body • Height Adjustment Independent Of Spring Compression • 30-Clicks Of Simultaneous Compression/Rebound Adjustment • Front Camber Plates Standard On Applicable Kits • Rear Camber Plates Available For Applicable Kits • Custom Spring Rates And Swift Springs Available • Custom Valving Or Valving Paired For Custom Spring Rates • 1-Year Warranty Against Manufacturers Defect • Fully Rebuildable One of the greatest advantages of increased low-speed damping force relates to what the driver feels, e.g., roll, pitch, dive, and quick weight transitions on technical road courses. For The Ultimate In Driver Feel - Choose BC Racing DS Series Coilovers.