Universal 3 & 4 Speed Automatic Gated Shifter Assembly The adaptors are available in

The adaptors are available in different widths and register bore hole sizes to match your specific engine application and supercharger model

Speedmaster axle stubs are machined from solid billet 4340 material

These valve covers are TIG-welded and are manufactured to help eliminate distortion and ensure a perfect fit to help protect your valve covers and rocker arms

durable Speedmaster aluminum crank hub

They start to make awesome power around 3

Universal 3 & 4 Speed Automatic Gated Shifter Assembly The adaptors are available inSpeedmaster rock solid race shifting automatic shifters can give your street ride the feel of having a full on race stick in your hand.