GM Turbo 400 Th400 Automatic Transmission Tailhousing to Powerglide Case Adapter You can get up to

You can get up to 50 percent more starting power when you pick one of these Speedmaster high-torque mini starters

They are heat-treated and threads are rolled to provide up to ten times more fatigue strength

Designed to deliver a flow rate of 67 GPH (255 LPH) at 12V

Aggressive

These Speedmaster chrome air cleaner tops are designed to replace the OEM top without alterations

GM Turbo 400 Th400 Automatic Transmission Tailhousing to Powerglide Case Adapter You can get up toSpeedmaster aluminum adapter spacers allow you to adapt Powerglide to Turbo TH400 automatic transmission tailhousing. Adapts Turbo 400 rear housing to Powerglide Case