Part of Engine : Valve State

Valve state can prevent oil damage by leakage between valve rod and valve companion. The kinds of valve state is:
- Ring, which placed on channel on valve rod. Rod closer seal with defender, prevent the
defender connected directly with oil and valve rod.
- Umbrella seal placed on valve rod. Umbrella seal shape is look like a big umbrella seal.
It placed on the top of rod and move with valve.
- Closer seal / cup seal placed on the top of companion and placed static.