Turbo 400 TH400 Standard Length Output Shaft and Tail Housing Combo Whether you're overhauling an engine

Whether you're overhauling an engine or looking to upgrade your vehicle's performance

Add a cool new look to your ride and lower your curb weight with Speedmaster control arms

Speedmaster rear-end assemblies are the ultimate solution

Chevy Caprice

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Turbo 400 TH400 Standard Length Output Shaft and Tail Housing Combo Whether you're overhauling an engineThese Speedmaster tailshaft housings are designed to fit the stock Turbo 400 transmissions. They are five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy. Featuring thicker walls and more gusseting than any other manufacturer.