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The high carbon steel material is incredibly strong and can withstand the rigors of the most extreme engines
Off-Road and Drag Racing applications
These Speedmaster 8-71 and 6-71 supercharger manifolds are aluminum constructed and suitable for competition or street use
Speedmaster accessory drive pulleys are built for smooth power delivery and reliability
using an O-ring to prevent leakage
Chevy SBC 350 Std Narrow Conrod Bearings (Large Journal & Large Radius Crank) The high carbon steel materialThese Speedmaster connecting rod bearings are just what you need to freshen up your engine. Why? They use silicon aluminum bi metal construction. Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold. Bearing wear is dramatically reduced and the fatigue strength is greatly improved.
