Automobiles Gonfaronnaises Sportives was a small French racecar constructor that competed in various racing categories over a period of thirty years, including Formula One from 1986 to 1991.

The AGS JH25B was a Formula One car designed by Michel Costa for use in the 1991 Formula one season by the French AGS team. It was powered by the 3.5-litre Ford DFR V8. The car was driven by Italian d