The Hart 1035 is a four-stroke, naturally aspirated, 3.5-litre, V10 racing engine, designed, developed and tuned by Brian Hart of Hart Racing Engines, between 1993 and 1994. It produced , and was used solely by the Jordan team.
Hart returned to Formula One with an in-house built 3.5 L V10 in , dubbed the 1035, signing a two-year deal with the Jordan team. This culminated in a successful 1994 season, with Rubens Barrichello finishing third at the Pacific Grand Prix and taking the engine company's last F1 pole position at the Belgian Grand Prix.