Use APKPure App
Get Ideal Four 4 Stroke Intake Port Calculator old version APK for Android
흡입구 크기의 이상적인 직경을 찾기 위해 사용하기 쉬운 계산기.
This app is recomended for an Engine Builder's. This app can be use for finding an ideal intake port diameter size with specific/type of an engine e.g. racing, drag race, grasstrack/trail/trial.