The adapter allows 2 valves to be open at the same time for when flow testing intake or exhaust ports. The unit mounts to your dial indicator (fits Teclock 921A) and others. Mounting hardware included with black finish and adjustable from 1″ to 2-3/8″ valve centers. Check out this video on how to do the setup. (https://youtu.be/LsN5z2EvQvM) Please e-mail with questions.
DEL-TRON PRODUCTS
