Measure installed valve spring height conveniently and accurately. Simply install the height micrometer instead of a valve spring, and then rotate the clearly engraved dial to expand the tool to seat the valve, locks and retainer. Fits most V8 engines. Sold individually. Product Details:
Height Micrometer
Model For 1.600 Inch to 2.100 Inch Valve Springs
Fits Most V8 Engines
Reads In 0.005 Inch Increments; Maximum Retainer Size Of 1.500 Inches