For sale is a concours-ready, fully rebuilt 5-speed manual ZF gearbox assembly, configured specifically for the Aston Martin DB5 and DB6. This legendary S5-28 transmission is the definitive gearbox for touring Aston Martins of the 1960s, offering the perfect blend of period-correct mechanical engagement and highway-cruising capability. Rebuilt to exceptional standards, this unit is ready for installation into a factory manual car or as the center piece of a automatic-to-manual conversion.