Proform 67601 - Proform Adjustable Digital Valve Spring Pressure Tester

On-head valve spring tester features a digital gauge and an adjustable base to fit all common aluminum rocker lengths and offsets. The digital gauge includes 5 lb increments with peak hold and backlighting features. The housing is made of black anodized billet aluminum with a knurled grip area for ease of use. Capacity range from 0-600lbs.