BC Racing Coilover ER 89-94 Silvia 240SX

The BC Racing D-12-ER is an ER Series Coilover System, a high-performance suspension component featuring remote reservoirs and independent compression and rebound adjustment. Designed with a mono-tube damper and linear twin-piston design, these coilovers offer precise handling and ride control. They are built with black chromed steel damper units, anodized aluminum components, and SAE9254 high-strength cold-wound steel springs, ensuring durability and consistent performance. The system includes front and rear camber plates or pillowball mounts for enhanced response and handling, and uses high-quality oil for stable damping across various temperatures.