6.770" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods the IAC valves adjust the

the IAC valves adjust the airflow to improve motor idling

They feature lightweight construction with a thick rail for gasket support

As the horsepower in your performance vehicle goes up so does the strength of the read end housing

They do this using a unique design in which cooling tubes draw cool air through the transmission fluid

These coils have corrosion-protected laminations to protect coils from the harsh operating environment

6.770" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods the IAC valves adjust theGet 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.