TH400 Transmission Kits

Our TH400 transmission kits include everything you need for a complete, ready-to-install setup—featuring a fully built transmission, matched torque converter, and essential components for a seamless installation. Designed for performance and convenience, these all-in-one packages take the guesswork out of pairing parts and ensure optimal compatibility. Perfect for builders and racers looking for a turnkey TH400 solution with proven reliability.