GM Turbo 700R4 Aluminum Tailhousing with Bushing allowing air to move more

allowing air to move more smoothly at high velocities

race-bred styling will make bad intentions clear for drag race

Features a high-carbon steel ring gear for enhanced durability under extreme conditions

These forged steel axles are designed to fit a range of applications and are non-tapered with hardened bearing seats

Increased piston apply feed holes

GM Turbo 700R4 Aluminum Tailhousing with Bushing allowing air to move moreThese Speedmaster tailshaft housings are designed five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy, thicker walls, and more gusseting than any other manufacturers.