O-RING
O-ring, one of the sealing parts, is one of the important parts that affect the operation and performance of the engine.
O-Ring Materials
EPDM: Rubber EPDM
NBR: Rubber
FPM/ VI: Viton
Cu: Copper
T: Tombac
ST: Steel
SC/ MVQ: Silicone
Shim/ SM: Soft Metal