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ZF6- Ford® started using this transmission design in ’99 and they work well behind the Cummins®. They are rated for 520 ft/lbs of torque. Our Diesel Conversion Specialists® adapter p … read more

We offer transmission adapters for the following Chevrolet® and GM® Transmissions: TH350, TH400, 700R4, 4L60E**, 4L80E, Chevy Allison Transmission® 1000 5&6 speed automatics **Som … read more

If you have a 4 speed manual or 3 speed automatic, swapping in a 5 speed manual is something to seriously consider. The earlier transmissions were tough, but they simply were not designed for the torq … read more

There is a split between the 6.9L and 7.3L diesel engines in the late 1980's. Using model years as a guide is usually a good way to judge which transmission you have however model year can not alw … read more

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