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These angled intake manifold bushings are designed use of non Vortec manifolds on 1987-95 cylinder heads
these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers
Designed for engines producing up to 500hp
These water pump pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs
The 10" diameter construction reduces rotational weight reducing scavenging of horsepower
GM Turbo 400 TH400 Aluminum Tailhousing with Bushing These angled intake manifold bushingsThese 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.
