BC Racing’s Adjustable Spring Perch (ASP) system is an ideal solution for drivers seeking a lowered stance while retaining full functionality of the factory electronic damping system. Unlike traditional lowering springs, the BC Racing ASP provides adjustable ride height, offering greater flexibility to fine-tune the vehicle’s stance to suit modern suspension demands, performance goals, and styling preferences. Each kit features vehicle-specific springs engineered to work in harmony with precisely calculated OEM damper travel at lowered ride heights. The result is OEM-like ride comfort combined with adjustable height, improved chassis stability, and confident high-speed performance.

IMPORTANT: Some ASP kits come equipped with an optional feature: camber adjustable pillowball top mounts. It's crucial to note that, while these pillowball mounts directly connect to the chassis, enhancing steering response, feel, and feedback, they may occasionally transmit noise into the cabin. At BC Racing, we prioritize your driving experience, and we've taken proactive measures to mitigate this issue in our default specification coilover kits. For applications known to be susceptible to noise, we supply these kits with rubber or OEM top mounts. It's essential to understand that if you choose an ASP kit with camber adjustable pillowball top mounts, some noise transmission may occur. We do not consider such noises problematic when these top mounts are selected. However, we want to be transparent about their potential impact. Therefore, we recommend ASP kits with camber adjustable pillowball top mounts for track use exclusively, not for road use. Your understanding and acceptance of this information are crucial, ensuring that your choice aligns with your intended usage. At BC Racing, we remain committed to delivering high-performance solutions while prioritizing your driving satisfaction.