This handy tool allows you to gap your valves w/.001” accuracy. Feeler gauges take just that “a feel”. Ask three people to run valves with a feeler gauge and you will get three different results.
* Anodized Aluminum
*Complete with attachment rings for: 1.400”, 1.437”, 1.500”, 1.575” retainer (others available)
* Starrett indicator for precise accuracy & wedge for milled rockers
* Quick set-up and repeatability
* CANNOT be used with stud girdle