Miller Boyle Valve Special 1930


Miller Boyle Valve Special 1930


Miller Boyle Valve Special 1930

  • Origin United States of America
  • Engine 4,425 cc, straight-four
  • Top speed 140 mph (225 km/h)

Harry Miller was a brilliant engineer, and the race cars and engines he built were by far the most successful in U.S. oval-track racing during the 1920s and 30s.