8.150" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) also known as the GM

also known as the GM 8

Speedmaster pinion depth shims allow you to seat your pinion gear perfectly

The pump is submerged in fuel

They include all hardware for quick and easy installation

Speedmaster automatic transmission rebuild components ensure smooth gear changes and overall transmission performance

8.150" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) also known as the GMGet 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.