7.300" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster gear drives are great

Speedmaster gear drives are great for you folks who want better timing

Kit includes adapter plate to permit use of certain square bore style carburetors

Windsor and Big Block versions are built from sturdy cast aluminum

allowing it to run cooler and quieter than external units

Designed to bolt on to our aluminum center sections and used with our various housing end applications

7.300" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster gear drives are greatGet 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. They have a minimum wall thickness of . 080 in. to handle higher rpm, plus a black oxide finish.