The Four-Inch Course name was derived from regulations adopoted by a British private club which formerly owned what kind of company?
Four Inch Course The Four-Inch Course was a road-racing circuit first used for the 1908 Tourist Trophy Race for cars, held on public roads closed for racing by an Act of Tynwald (the parliament of the Isle of Man). The name of the course derives from the regulations for the 1908 Tourist Trophy adopted by the Royal Automobile Club, which limited the competitors' engines to a cylinder-diameter of four inches. The Four-Inch Course was adopted by the Auto-Cycle Club for the 1911 Isle of Man TT Races. The Four-Inch Course was subsequently known as the Snaefell Mountain Course or Mountain Course when used for motor-cycle racing.
Tune Group Tune Group Sdn Bhd (or Tune Group "Sendirian Berhad", meaning 'private limited') is a leisure and entertainment corporation founded by the Malaysian entrepreneurs Tony Fernandes and Kamarudin Meranun. Tune Group's mission is to provide affordability and accessibility to leisure activities and entertainment, primarily in Asian markets. It does this via its airline, hotel, telecommunication, financial services, sports, media and creative industries subsidiaries. Its subsidiaries include: budget airline Air Asia; Caterham Group a motor engine-based technology company, though which it formerly owned the Caterham F1 Team; and Queens Park Rangers, an English football club. Tune Group was the official shirt sponsor of FA match officials until 2013.