8.650" Chromoly Hardened Steel 3/8 +0.080" Wall One Piece Pushrods (8pcs) The Speedmaster shift selector shaft

The Speedmaster shift selector shaft is built with sturdy

Whether you're overhauling an engine or looking to upgrade your vehicle's performance

For 3" tube diameters

making for more efficient cooling

They feature extra-thick steel that's double-welded to the ring gear for added strength

8.650" Chromoly Hardened Steel 3/8 +0.080" Wall One Piece Pushrods (8pcs) The Speedmaster shift selector shaftGet 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.