Transmission Conversion Packages
An overdrive transmission is one of the most rewarding upgrades you can make to your Classic Car. We have conveniently bundled the transmission and transmission accessories into an easy purchasing experience.
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Swap that Powerglide, C4, TH400 or TH350 with one of our Overdrive Packages.
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This overdrive package adds up to a much improved driving experience. The engine is less stressed on the highway, which means you’re less stressed, and the ride is quieter with lower engine speed and less fuel consumption. A higher numerical first gear makes it easier to pull away from a stop in everyday driving, and it quickens launch times in all types of racing.
