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Ships within 48 hours · Estimated delivery Oct 14 - Oct 19
making it exceptionally lightweight
They're precision-machined from T6-106 billet aluminum
These Speedmaster aluminum water pump pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs
oil temp will run approximately 5-10 degrees cooler
This is our most popular manifold and is showing up on many performance street machines and street rods
6.300" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods making it exceptionally lightweightGet 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.
