In Research and Development of TREMEC Conversion Kits

Overdrive transmission kits everyone loves - delivered with pride.

Silver Sport Transmissions’ experience runs deep. Our in-house engineers, sales representatives, and technical service representatives provide over 100 years of combined experience in overdrive transmission conversion kits. Our PerfectFit™ kits are in more vehicles than any other kit on the market.

Elite TREMEC® Distributor

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, street rods, 4WDs, and imports. Our SST A41 Automatic, TREMEC TKO and T-5 5-Speeds, and TREMEC Magnum 6-Speed PerfectFit and RestoFit® Kits are the best fitting and most complete kits available.

Highest Quality Standards

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 will continue to innovate and develop the best performing, fitting, and durable products to bring your vehicle “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, truck, 4WD, or import is just a phone call away!

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