Range: 1.600" to 2.100". 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.

Product Features:

• 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
• Each