Designed to allow for better spacing between the rider floorboard, brake lever, and front exhaust down tube when using Bassani Xhaust full systems, dresser duals, and power dual headpipe applications on CVO modelsKit includes:One 3/8''-16 x 3'' socket cap head boltOne 3/8''-16 x 1-11/16'' socket cap head boltTwo 3/8'' split lock washersTwo black steel spacersThere is no warranty on exhaust pipes and mufflers with regard to any discoloration. Discoloration (blueing) is the result of tuning characteristics, cam timing, carburetor jetting, overheating, etc., and is not caused by defective manufacturing.Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements.