6.270" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) they utilize a cotton gauze

they utilize a cotton gauze with aluminum mesh construction

They feature a sleek chrome finish with an aluminum housing and have a 100 amp capacity

The internal components are made from EN36 Material as used in racing

Fits big block Chevy rectangular port cylinder heads on standard deck blocks

6.270" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) they utilize a cotton gauzeGet 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.