8.400" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) 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 bearing designed for use with OEM or aftermarket brake rotors

oil pan gaskets

They're made of thick steel for reduced flex and are chrome plated for that show-car look

8.400" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) The adaptors are available inGet all of the performance that your engine can produce with these durable pushrods designed especially for high lift cams. Speedmaster pushrods are available in both 5 16 in. and 3 8 in. diameters. They feature . 080 in. wall thickness and are formed from 4130 chromoly steel. These one piece Speedmaster pushrods are heat treated for use with guideplates.