GM Turbo 400 TH400 Aluminum Tailhousing Without Bushing it combines durability with high

it combines durability with high performance

solving issues associated with the weak pressed steel plate bases

these boxes have improved designs

while delivering increased engine vacuum

These Speedmaster fuel pumps feature an improved design for street and strip applications

GM Turbo 400 TH400 Aluminum Tailhousing Without Bushing it combines durability with highThese 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.