Range: 1.600 Inch to 2.100 Inch. 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 with beehive springs. Sold individually.
Product Details:

• Height Micrometer
• Tall Model For Beehive Valve Springs
• Tool Helps Conveniently and Accurately Measure Installed Valve Springs
• Install The Tool On The Head Instead Of The Spring and Rotate Dial To Seat The Valve, Locks, and Retainer
• Sold As Each