Proform 66790 Push Rod Length Checker, 7/16" Studs
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<b>[Product Information]</b><br>
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<li>Designed for 1955-1986 Chevrolet all models</li>
<li>For 7/16" Studs</li>
<li>Measures proper push rod length</li>
<li>Critical for peak performance</li>
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