The Proform push rod length checker is for 7/16" studs. Proper push rod length is critical for peak performance. Minimizing bent or broken valve stems, guide wear and energy-wasting valve side loading.

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The Proform push rod length checker is for 7/16" studs. Proper push rod length is critical for peak performance. Minimizing bent or broken valve stems, guide wear and energy-wasting valve side loading.

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