The ATI K Series Damper Street is the perfect addition to any '02 Civic Si or Acura RSX. Its single serpentine belt drive is designed for the factory serpentine belt setup and the 360° laser-etched timing marks ensure optimum belt drive efficiency. Certified and approved by SFI 18.1 and NHRA & IHRA competition, the K Series Damper Street provides exceptional performance and reliability.