Making horsepower is fun, but it’s worthless if you cannot effectively send that power to the tires, and TSI’s transmission lineup makes it easier than ever! Have a hot street car that needs the 4L80E’s overdrive to chew up longer trips? We’ve got you covered. Or do you have a bonafide race car making four-digit horsepower numbers that needs an SFI-certified gearbox? If that’s the case, our Powerglide and TH400 options are just what the doctor ordered.
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components….
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions…
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components….
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components….
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket helical Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and…
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components….
For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. TSI has pioneered much of the technology now commonplace in the transmission marketplace. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known worldwide for manufacturing and assembling the highest quality transmissions and components….
