Tall Valve Spring Height Micrometer (0.001") by Proform. Measure installed valve spring height conveniently and accurately. Simply install the height micrometer instead of a valve spring, and the rotate the clearly engraved dial to expand the tool to seat the valve, locks and retainer.
This product is in the following categories:
Part #: 66902
Tall Valve Spring Height Micrometer. Range 1.600" - 2.100". Fits most V8 Engines
Part #: 66903
Tall Valve Spring Height Micrometer. Range 1.400" - 1.800". Fits most 4 and 6 cylinder engines.
Part #: 67390
Tall Height Mic for Beehive Valve Springs