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Speedmaster rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms
Speedmaster camshafts are built to take advantage of the latest cam technology
You need guideplates to keep your pushrods from deflecting under high-rpm conditions
Speedmaster has chosen the most popular diameters for their pulleys
Windsor and Big block applications feature cast construction
1.400" Od. 1.045" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers Speedmaster rocker arm adjusting nutsSpeedmaster 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.
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