9.550" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods Manifolds are cast from steel

Manifolds are cast from steel molds

and reduced friction to extend their life

they're guaranteed for life

12-point head design and a larger-than-stock shank diameter

Upgrade your axle system and experience improved performance and durability

9.550" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods Manifolds are cast from steelGet 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.