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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Speedmaster gear drives are great for you folks who want better timing
the IAC valves adjust the airflow to improve motor idling
Although the GM heads are good pieces
and these cast aluminum pans have a beautiful polished finish for great looks
6.770" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods Speedmaster gear drives are greatGet 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.
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