Curious how healthy your engine is running? A vacuum gauge is an excellent tool to judge. If you think it isnt running well, a vacuum gauge is one of the best tools to help diagnose problems with. Check the second picture for diagnosis help!
This gauge is 2 colors. Most people run them white during the day and amber at night. Of course, you can run them one color all the time, or reverse them. Reads from -30inHg to 0 inHG.
Includes Mounting hardware Tubing Kit T-fitting Decals Instructions Free tech advice and 1 year warranty