VSM Gage (Valve Seat Measurement). Valve Seat/Guide Geometry Inspection System. VSM measures seat roundness and runout of valve guide to valve seat IN 3 SECONDS! This is repeatable to less than 1 micron. Designed for shop floor use.

The Slidescan Measuring System for Cylinder Heads. The Slidescan is a universal gage and enables the measurement of several seats with a big range of different gage line diameters (ex. between 24mm and 34mm). Cycle time is approx. 4 seconds.