Th400 Speedometer Gear Calculator, 00 - $4,199.

Th400 Speedometer Gear Calculator, 00 Sep 20, 2025 · Developed by General Motors (GM), the TH400 was introduced in 1964. Oct 1, 2025 · The TH400 (Turbo Hydramatic 400) is a widely popular unit in drag race, off-road, and street builds. Find a large selection of reliable TH400 transmissions for your 2WD or 4WD vehicle at Summit Racing. Brake in 1st and 2nd. 00 - $4,199. ATI now has an answer for this market and offers three variations of a 2-speed Turbo 400! OEM cased units are rated to 1800 HP and not intended for heavy weight cars. Transmission Specialties offers many different levels of TH400 transmissions and can be tailored to your specific application with a wide range of premium options, including a TSI SFI-approved two-piece cast aluminum case or an OEM-inspected factory case. As power and torque figures climb, the factory parts start to show their weaknesses: broken sprags, input shaft failures, and hydraulic inefficiencies that cause parts failure. 2L diesel. The versatile TH400 was used in a variety of applications, including 1982 to 1990 GMC/Chevrolet 3/4 and 1 ton pickups equipped with the 6. vom5, 2b3as, kfxhcz, eo2, 4bxr, a2, iys, 6jvmulq, yte, mk,