The PRD Fireball is a two-stroke go-kart racing engine manufactured by Pro Racing Design Co, Ltd. Pro Racing Design is a Taipei, Taiwan based company, manufacturing an array of racing engines for use in professional go-kart racing worldwide. Pro Racing Design was founded by Chris Dell from Australia and it is now an Australian-based manufacturer. The Fireball represents an engine targeted for multiple racing classes: International Kart Federation (IKF), World Karting Association (WKA) and Touch and Go (TAG) USA. The PRD Fireball is the cheapest TAG motor available to purchase new in the USA.^{[citation needed]}