8.900" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Their dual-idler design has CNC-machined

Their dual-idler design has CNC-machined components and they are easy to install

The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine

The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems

They are manufactured from machined steel and offer excellent valve spring location

For 3" tube diameters

8.900" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Their dual-idler design has CNC-machinedGet 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.