Harmonic Balancer - CSI 66511 UPC: 017665665116

CSI Performance and Truck Accessories products, an automotive aftermarket standard of excellence for over 25 years, are obtainable exclusively from Competition Specialties, Inc. With the best quality-to-pricing comparative industry wide, CSI’s Performance and Accessories products contain over 1,100 items that apply to both domestic and import vehicles and are for use on the street, off-road, in racing, and for show! CSI’s quality enhancement products deliver more power, better looks, more durability and functionality, heightened security, and improved vehicle longevity. And, as markets are continuously changing and growing, CSI keeps pace by adding and updating product offerings. CSI’s Performance and Truck Accessories products exemplify quality that is affordable, reliable, and recognized.