Doug Nash Overdrive

Doug Nash Overdrive
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Doug Nash 4+1 Overdrive Standard Transmission Rebuild Kits and Parts

The Doug Nash 4+1 with push button overdrive is an interesting transmission that was built and designed by former Detroit hot-rod racer, Doug Nash. Having been designed by a hot rod racer, it should come as no surprise that the 4+1 Overdrive was primarily designed to be used in race vehicles. However, it is capable of being used for street purposes as well. It is seen as a reliable transmission for all sorts of vehicles among home and professional mechanics alike.

Doug Nash Overdrive Transmission History

The transmissions were incredibly successful. So successful in fact that Chevrolet approached Doug Nash to include his 4+3 transmission (four speed manual transmissions with overdrive for the top three gears) in the 1984 to 1988 Corvettes.

The transmission was supplanted by the ZF six speed manual transmission.

Shop Doug Nash transmission parts including Overdrive, bearing, gasket, and seal kits at Cobra Transmission. Here you'll find overdrive master kits, overdrive gasket and seal kits, as well as, Overdrive banner kits, Overdrive syncro kits, pan and plate gaskets for sale.