Advanced Pro Plus Racing Circuit Spec Coilovers - Honda Civic / Civic Si 2006-2011 (FD1/FG/FA)

 FRONT REAR SPRING RATES 14k 20k UPPER MOUNT Pillowball w/ Camber Plates N/A STRUT DESIGN Inverted Standard   Application Notes:  Fits Coupe & Sedan models Please select vehicle model when ordering Rear Shock & Spring Combined (True Coilover) Please select desired coilover model, 2-way or 3-way when ordering YSR USA Advanced Pro Plus Circuit Coilover System Engineered for peak performance on the track, the YSR USA Advanced Pro Plus Circuit Coilover System is our top-tier, motorsport-grade suspension setup, developed specifically for competitive circuit racing. Designed with input from professional drivers and race engineers, this system is available in both 2-way and 3-way adjustable configurations, delivering superior adjustability, consistency, and precision handling under extreme driving conditions. Whether you choose the 2-way adjustable version (rebound + compression) or the 3-way adjustable version (independent high-speed compression, low-speed compres