8.400" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods Designed for C4 transmissions in

Designed for C4 transmissions in competitive environments where RPM levels approach or exceed 8

The Speedmaster high mount serpentine kit for Chevy LS engines

Speedmaster crank hub

Tough nylon fabric is then bonded to the tooth surface for greater wear resistance

8.400" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods Designed for C4 transmissions inGet 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.