6.300" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) These scoops give you that

These scoops give you that classic Hilborn-style look with a polished aluminum body

6" axle or GM 10-Bolt

to provide maximum performance

These rockers are precision-machined to ensure consistency and ratio accuracy and have a great looking finish

that have a 4bolt pattern

6.300" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) These scoops give you thatGet 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.