The Honda RA300 F1 car was a car produced by Honda Racing for the 1967 season of the World Championship.
The engine used was the same as the previous Honda RA273 chassis was built by Eric Broadley of Lola and was inspired by the car to be built for the Indianapolis 500.
The car impressed by his performance and won, led by John Surtees, the Italian Grand Prix. Later, however, won only three points of the season when the same pilot came in 4th place in the Grand Prix of Mexico. In the 1968 season was replaced by the RA301.