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They feature extra-thick steel that's double-welded to the ring gear for added strength and anodized for corrosion resistance
Although the GM heads are good pieces
so it is not necessary to change to a 10 degree retainer
High performance fuel injectors
they also provide your engine with cleaner air for better performance
8.000" Chromoly Hardened Steel 5/16 +0.080" Wall One Piece Pushrods (16/Set) They feature extra-thick steel that'sGet 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.
