The March 85B was an
open-wheel
An open-wheel single-seater (often known as formula car) is a car with the wheels outside the car's main body, and usually having only one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have thei ...
formula race car, designed, developed and built by British manufacturer
March Engineering, for
Formula 3000 racing categories, in 1985.
References
{{March Engineering
March vehicles
Open wheel racing cars