Honda has made two variations of a four-stroke, naturally-aspirated, V8 racing engines to compete in Formula One. First, a 3-litre engine in ; which had its only competitive outing at the infamous, and ultimately tragic 1968 French Grand Prix, in which driver Jo Schlesser was killed. Second, the 2.4-litre RA8 series engine, which was introduced in , to comply with the new Formula One regulations. Honda ultimately had to pull out of Formula One after 2008, due to the 2008 financial crisis. The customer engines were used by both Honda and Super Aguri teams.
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