Make sure your springs are all the same with PROFORM's easy-2-read digital mini valve spring tester. All you need is a vise and a ruler. Measures 0-700 lbs in 2 lb increments. Features include backlit display, unit conversion to kg, peak hold, and the display rotates 90 degrees in each direction for easy readability. For more information about this PROFORM tool, and a ton of other engine builder tools, visit ProformParts.com and click on Engine Builder Tools.
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