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They are designed to ensure belt retention at high rpm
These control arms are manufactured to strict tolerances to employ a great fit and exceptional performance
Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold
Windsor and Big Block versions are built from sturdy cast aluminum
Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag
1.400" Od. 1.060" Id. 10 Degree 11/32 Chromoly Steel Valve Spring Retainers They are designed to ensureSpeedmaster chromoly steel retainers are made from 4140 chromoly and then heat treated for long life. These retainers are available in a variety of lock angles and sizes to suit your needs, from performance street to competition use.
