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The NV4500 is an extremely strong five-speed transmission used in late-model Chevy and Dodge trucks. While the internals of the tranny for these two trucks are the same, the exterior bolt patterns, input shafts, and output shafts are different, so be sure to research your proposed swap to see which version of the tranny is preferable. It’s ultra-deep First gear ratio of either 6.34:1 or 5.61:1 (depending on the tranny) combined with its 0.73:1 Overdrive make it one of the most sought-after manuals for swapping today. Thanks to companies such as Advance Adapters and JB Conversions, these trannies can be adapted to practically application. (Photo Courtesy Advance Adapters)