Chevy GM Powerglide Aluminum Tailshaft Housing with Roller Bearing - TH400 Yoke They feature extra-thick steel that's

They feature extra-thick steel that's double-welded to the ring gear for added strength

6L PI intake manifold

This kit includes everything required to convert any 3" housing to a floater unit

The Speedmaster design incorporates open-fin spacing that promotes airflow through the radiator to enhance the cooling and help eliminate clogging

Chevy GM Powerglide Aluminum Tailshaft Housing with Roller Bearing - TH400 Yoke They feature extra-thick steel that'sThis Speedmaster tailshaft housing are designed to fit the stock GM Powerglide transmissions and accept a TH400 yoke. They are five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy, thicker walls, and more triangulation than other manufacturers. They also include a roller bearing at the end of the tailshaft which is lubricated by our reworked passage for the yoke and rear bearing assembly.