GM Turbo 400 TH400 Output Shaft, Yoke, and Tail Housing Kit - 40 Spline Engineered for accurate

Engineered for accurate

perfect for your racing needs

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

These deep bases will allow for nearly every carb application including electric choke carbs

These dipsticks are available in both firewall-mount and trans-mount styles

GM Turbo 400 TH400 Output Shaft, Yoke, and Tail Housing Kit - 40 Spline Engineered for accurateThese 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.