7.400" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster shifters designed to fit

Speedmaster shifters designed to fit most 3 or 4-speed automatic transmissions

Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

flush-machined set screws for proper contact on the studs

It serves as a direct replacement for stock intakes

So can features such as full ball-bearing construction

7.400" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster shifters designed to fitGet 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.