VALVE STEM SEAL

Product Description:

Valve stem oil seals provide a defined metering rate of oil to the valve stem interface of internal combustion engines to lubricate the valve guide and minimize engine missions. The controlled oil leak is allowed to let the valve stem to be lubricated as it slides in. Valve guides rail. The amount of oil passing through the valve stem seal must be precisely controlled because too little oil can cause the stem and guide to wearing. Maintain an appropriate amount of stable leakage to enable the valve to operate stably for a long time.

Valve Stem Seal Material: ACM, VITON