GM Turbo 700R4 Aluminum Tailhousing with Needle Bearing If your standard Bowtie block

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

a pressure plate

you get reduced wear on the main bearings and timing gear

they can be reused without damaging the fitting

Speedmaster axle bearing designed for use with OEM or aftermarket brake rotors

GM Turbo 700R4 Aluminum Tailhousing with Needle Bearing If your standard Bowtie blockThese 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. And they also include a roller bearing at the end of the tailshaft which if lubricated by our reworked passages for the yoke and rear bearing assembly.