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American Motors Corporation
TREMEC Overdrive Transmission Kits

Overdrive Transmission Kits

Crate Engines

Crate Engines

Spraker Rear Axle Assemblies

Rear Axle Assemblies

Recommended Parts

Silver Sport Transmissions PerfectFit™ Hydraulics Kit

The Silver Sport Transmissions Hydraulic kit is the OEM style, proprietary design release bearing. It’s rated at 7000 rpms, has a forged aluminum housing, silicone dust boot, piston wiper seals and a 1,000,000 cycle service life. This bearing is well suited for everyday use. Read More

Tremec 6-Speed Reverse Lockout Control Module

The Reverse Lockout Control Module restores functionality of the Reverse Lockout Solenoid on classic cars. *Requires the optional connectors below if you don't already have them. Read More

GM 621 Reproduction Bellhousing

Having a hard time locating a good Chevy 621 bellhousing that doesn't have stripped threads or cracks? Look no further because Silver Sport Transmissions produces its own version of the 621 bellhousing. This new bellhousing is cast from thick wall titanium aluminum alloy, CNC machined to provide precise location of mounting and dowel pin holes, and the center bore that locates the gearbox. Read More

 

The overdrive transmission kit that everyone loves

Silver Sport Transmissions modifies Tremec 5 and 6 speed transmissions to retrofit into your classic car, truck or street rod and includes any parts and accessories required to install them. Our PerfectFit™ Kits are made to last with only the highest grade parts included in our kits and all of our transmissions are quality tested for leaks, noise, and performance. No one else performs all the testing we do.

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Latest News

Hot Rod Power Tour 2018

Jack took his 1970 Corvette on the Hot Rod Power Tour and learned a few lessons along the way. His pain is your gain! Read on to learn more.

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SST Show Season Starts Mopar Connection

Mopar Connection joined us last year for Power Tour, they missed us this year, but maybe they'll catch us down the road, and you can too!

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3 New Products for 2018

Mopar Connection showcases SST's latest new products.

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Road Trip Tips

No one wants to break down during the middle of a road trip. Give your vehicle a good check up first and you may save yourself some major head and heart ache down the road.

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Upcoming Shows

Street Machine Nationals St Paul

We'll be in the TREMEC Booth at this show in St. Paul. Come visit us and say hello!

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Corvettes at Carlisle

Come join Silver Sport Transmissions at the largest and most fun-filled Corvette event in the world. The annual Corvettes at Carlisle event features more than 5,000 Corvettes representing all generations of America’s classic sports car. 

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Holley LS Fest

Silver Sport Transmissions will travel to Bowling Green, KY for the Holley LS Fest September 8-9th. The Holley LS Fest is the celebration of everything and anything powered by the GM LS engine. 

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2017 Smoky Mountain Autofest

Just down the road a bit from our headquarters, this is sure to be a great time!

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