Taiwan-made Tiba valve stem seal

Using the highest quality material in the world
With precise sealing of the valve stem, it prevents oil from entering the combustion chamber and prevents oil burning and loss of engine efficiency.

Technical note:
If the valve stem lip or edge is not protected during installation, the inner edge of the seal will be damaged at the moment of installation, resulting in oil burning after the engine is shut down; even with a new and high-quality seal.

Identifying the location of an oil leak:
Symptoms:
Blue smoke during cold start or after releasing the gas
Reduction in engine oil level without apparent leakage
Oily soot on spark plugs and loss of combustion efficiency