Chevy BBC 454 Rect Port HiRise Aluminum Intake Manifold [Black] These Speedmaster tailshaft housings are

These Speedmaster tailshaft housings are designed to fit the stock Turbo 400 transmissions

They're so tough

These Speedmaster water pump pulley shim kits are designed to provide proper drive belt alignment with your water pump

They weigh only 2

Note: The 52000/52001 manifold is a stock replacement/street legal part for 302

Chevy BBC 454 Rect Port HiRise Aluminum Intake Manifold [Black] These Speedmaster tailshaft housings areStep up to the high rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square bore carburetors and are pressure tested to ensure maximum performance. They start to make awesome power around 3,000 rpm.