6.100" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Featuring a low profile design

Featuring a low profile design and a high flow runner design these manifolds will improve performance from 1500-6500 RPM range

Failure or poor performance from a coil can result in a misfire

they include adapters to fit virtually any engine

to handle higher rpm

These Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

6.100" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Featuring a low profile designGet 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.