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Tag Archives: Six-Speed

TCI® Steel Transmission Crossmembers


Ashland, MS – TCI® has expanded its drivetrain accessories lineup with new steel transmission crossmembers in support of the popular TCI® 4x Four-Speed™ Automatic, 6x Six-Speed™ and 4L80E electronic overdrive transmissions. The TCI® crossmember line will be available for a range of classic vehicles, including the GM A-body series offered from 1967 to 1974, the GM F-body series from 1967 ... Read More »

TCI 6x Six-Speed Transmission Packages


Ashland, MS – The next generation of the 6x Six-Speed™ Transmission from TCI® features a new overrun clutch apply. This increases the torque capacity and adds to the durability of the overdrive roller clutch. New package options offer nearly all the transmission components enthusiasts need from just one manufacturer. The original TCI® 6x Six-Speed™ Transmission provided six forward gears and ... Read More »