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Market Leader in Research and Development of TREMEC Conversion Kits

Overdrive transmission kits everyone loves - delivered with pride.

Silver Sport Transmissions' experience runs deep. Our engineering, sales and technical staff provide over 100 years combined experience, and our PerfectFit™ Transmission Kits are in more classics than any other kit on the market.

Silver Sport Transmissions, an Elite Distributor of TREMEC® Transmissions, is the industry leader in the research and development of kits to modernize the drivetrain of classic cars, trucks and street rods. Our SST A41 Automatic, TREMEC TKO and T5 5-Speeds, and TREMEC Magnum 6-Speed PerfectFit and RestroFit® Kits are the best fitting and most complete kits available.

Kit components are unique to each application and are made to last using only the highest-grade parts. Our transmissions are modified to achieve the correct shifter location and minimize tunnel interference and are quality checked for leaks, noise and performance. No one else performs all the testing we do.

We believe classic cars and trucks look their best on the open road, so we will continue to innovate and develop the best performing, fitting, and durable products to bring your classic “up to speed”. Our shelves are stocked, our products ship fast, and our tech lines are ready to assist you if you need them.

Our promise to you is nothing less than the highest quality products, excellent customer service and integrity. It's the classic way of doing business and it's what you can expect from Silver Sport Transmissions.

The best upgrade for your classic car or truck is just a phone call away!