Use this app to finding an ideal valve diameter size of a 4 stroke engine.
- Cylinder Head With 1 Intake Valve & 1 Exhaust Valve
- Cylinder Head With 2 Intake Valves & 2 Exhaust Valves
This app is recomended for an Engine Builder's. This app can be use for finding an ideal valve diameter size of the 4 stroke engine with specific/type of an engine e.g. racing, drag race, grasstrack/trail/trial.