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This Speedmaster 300M steel crank gear
stainless steel alloy and are carefully designed to increase gas flow for more power
the use of 6 pinion gears means the stress on gears is spread over a greater surface area
These heavy-duty bearing retainer plates are precision-engineered and manufactured out of heavier steel than stock to ensure that they do their job
contributing to the overall efficiency and performance of your engine
6.100" Chromoly Heat-Treated 5/16" 0.080" Wall DNA® One-Piece Pushrods This Speedmaster 300M steel crankGet 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.
