7.400" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster regulators are ideal for

Speedmaster regulators are ideal for use with high-volume fuel pumps

The Speedmaster water pump pulley shim kits contain one 1mm spacer

The TorqueWorm is a torque biasing 6 pinion gear type limited-slip unit

hard-starting engine

and flame ball-milled finishes

7.400" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster regulators are ideal forGet 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.