Quickly tell - from the outside - when your engine needs an overhaul!
This easy-to-use tester checks ring seals, valves, even head gaskets. Don't wait too long to rebuild your motor - but don't do it too soon either!
- Allows the ability to achieve consistent power
- Stretch out the time between costly teardowns
- Rugged design features rubber bumpers to protect the gauges
- Exclusive Longacre gauge manifold meters the airflow for precise readings
- 14 mm plug adapter