Choose Your Make To Find Your PerfectFitTM

Overdrive Transmission Kits

Crate Engines

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

Ford 9" Rear Axle Assembly

Complete Rear Axle Assemblies made to fit. Read More

Gm 621 Reproduction Bellhousing for LS Engines

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

Torino Fairlane 500

We jumped at the opportunity to bring in a Torino and develop a new PerfectFit kit for it.  When it got here, all the insignias were for a Fairlane 500.   The owner assured us it was a Torino, and with a bit of research we confirmed it.  The history of this Ford line is really interesting, so we are sharing it with you so you can impress your friends.

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Ben beside his 57 Chevy

Ben didn't know what to think when a father asked to show his blind daughter Ben's classic Chevy, but Ben said yes and what happened next left Ben in tears.

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Charlie Owens first drove this 1974 Camaro when he was 16. It belonged to a friend of his from high school.

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Mechanical speedo gears are often just a little inaccurate.  Why? Well, let’s look at how a speedo gear works.

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Upcoming Shows

Jimmy "Tater" Matthews will be representing us well in the Charolette Rod & Custom's tent and on the track at Good Guys Charlotte 22nd Southeastern Nationals at Charlotte Motor Speedway. Read more for details.

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Jimmy "Tater" Matthews will be representing us well in the Charolette Rod & Custom's tent and on the track at Cruisin' the Coast in Biloxi, MS. Read more for details.

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Silver Sport Transmissions Tremec TKO and T56 and Legend Gear and Transmission LGT-700 line of PerfectFit™ Kits are all LS compatible and we also sell our new EZ-LS Kit to make swapping to an LS engine a lot easier.  Even if your car doesn't have an LS engine, come visit, there will be plenty to see!  We also have several LS engines for sale.

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Silver Sport Transmissions will be attending Corvettes at Carlisle.  Look for our tent on the Midway. More than 5,000 Corvettes will be on display, showcasing a great American tradition.  Join in the fun!  There will be a parade through downtown, autocross and burnouts.  If you'd like to enter your Corvette or are interested in attending, you can find more information here.

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