GM Turbo 400 TH400 Aluminum Tailhousing with Bushing Designed for engines producing up

Designed for engines producing up to 500hp

These Speedmaster Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume

carbon-to-coil rotor conductor

these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers

GM Turbo 400 TH400 Aluminum Tailhousing with Bushing Designed for engines producing upThese 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.