7.850" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) 5" diameter ring gear and

5" diameter ring gear and the GM 8

They are available in several styles depending on your application needs

even under the toughest of circumstances

The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine

7.850" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) 5" diameter ring gear andGet 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.