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The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems
designed to be used with aftermarket intakes only
Their dual-idler design has CNC-machined components and they are easy to install
They are manufactured from machined steel and offer excellent valve spring location
These Speedmaster EFI fuel pressure regulators give you total control of your fuel pressure settings
8.900" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods The successful formula of offeringGet 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.
