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These Speedmaster aluminum water pump pulleys are made from a 356 aluminum-alloy that is heat-treated to T-6 specs
street-rod applications and more
at a better price than purchasing the parts separately
improved throttle response and better fuel economy
They are designed to fit a variety of applications
7.800" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) These Speedmaster aluminum water pumpGet 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.
