RACETECH Plastic Kit accelerating the air fuel mix velocity accelerating the air fuel mix velocity for improved low and mid range throttle response Comes with 70 oz 2 Liter OGIO bladder made from BPA free polyurethane film protected by Microban® antimicrobial technology These bodywork pieces are made entirely from injection molded plastic and the colors are UV resistant RACETECH is a specialist manufacturer of plastics for off road motorcycles