GM Turbo 400 TH400 Output Shaft, Yoke, and Tail Housing Kit - 40 Spline The Speedmaster automatic transmission filter

The Speedmaster automatic transmission filter extensions are designed to move the transmission filter into the oil in aftermarket Speedmaster deep transmission pans

the LS-series heads are produced using our "Gravity Casting" process

premium-grade 4140 chromoly steel

Speedmaster offers a wide range of Ford 9-inch gaskets that cover most popular hot rods

Achieve quicker and more consistent reaction times with a replacement Transbrake Valve Body Release valve and spring

GM Turbo 400 TH400 Output Shaft, Yoke, and Tail Housing Kit - 40 Spline The Speedmaster automatic transmission filterThese 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.