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If you are looking for a manifold to use with your 8-71 or 6-71 supercharger
but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips
They're roll-threaded
Speedmaster degree wheels are designed for the normal rebuild
For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you
9.450" Chromoly Heat-Treated 3/8" 0.080" Wall DNA® One-Piece Pushrods If you are looking 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.
