8.650" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods These rockers are the best

These rockers are the best deal on the market for your high performance and racing application

Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold

Kit includes adapter plate to permit use of certain square bore style carburetors

Made from 4340 round bar to exact tolerances

Their strong die-cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers

8.650" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods These rockers are the bestGet 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.