Hughes Performance Do-It-Yourself Extreme Duty 2-Speed TH400 Transmission Conversion Kit

Extreme Performance Upgrade

Hughes Performance Do-It-Yourself Extreme Duty 2-Speed TH400 Transmission Conversion Kit comes complete with everything necessary to convert your 3-speed TH400 to a 2-speed high horsepower drag racing transmission. When the conversion kit is coupled with a GM planetary gear set that is in good condition, you can expect ratings of up to 2,000 flywheel horsepower. This performance kit can handle higher power levels when coupled with a Hughes premium billet TH400 gear set.