This part is not recommended for cars being used on track or for competition. Please use PFF5-5601M3 or PFF5-5601GM3BLK (if more caster is required) if this is the intended use for your vehicle.
Our Heritage Collection bushings utilize the same durometer polyurethane as the Street bushings, but are a dark grey color that mimics the OEM rubber bushings to satisfy the purest of purists.