8.800" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods They have injector bosses precisely

They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power

and have a maximum pressure of 7 psi with an externally accessible pressure relief valve

Speedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals

With an adjustable vintage plastic snapback closure

Designed for engines producing up to 500hp

8.800" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods They have injector bosses preciselyGet 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.