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The Speedmaster Supercharger Idler Pulley Nut is a high-performance component designed to ensure the optimal functioning of your supercharger system
If you are looking for a manifold to use with your 8-71 or 6-71 supercharger
Their dual-idler design has CNC-machined components and they are easy to install
The Speedmaster throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine
Fits big block Chevy rectangular port cylinder heads on standard deck blocks
8.900" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods The Speedmaster Supercharger Idler PulleyGet 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.
