Proform Tall Valve Spring Height Micrometer; Range: 1.600" - 2.100" (For Most V8 Engines) R090003M **CTS monitor not included

**CTS monitor not included

The Selectors work with either a Soft Touch Rev Control or any MSD Timing Control that uses plug-in modules

The BBK brand focuses on bringing the best quality

Note: May not fit pulleys from other manufacturers

standards for safety and durability

Proform Tall Valve Spring Height Micrometer; Range: 1.600" - 2.100" (For Most V8 Engines) R090003M **CTS monitor not includedMeasure 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. PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering