The Moskvitch 404 Sport was a prototype sports car from Soviet manufacturer Moskvitch introduced in 1954.Thompson, Andy. Cars of the Soviet Union (Haynes Publishing, Somerset, UK, 2008), p. 78.
It was based on the Moskvitch 400/420 and used a new, experimental overhead valve hemi engine, with a compression ratio of 9.2:1, which produced . Fitted with four sidedraft carburettors, the 404's top speed was . The car was quite successful in racing and won three Soviet Championships.
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