... the engine block and cylinder head(s) in an internal combustion engine.Its purpose is to seal the cylinders ... Japanese, Korean and American vehicles. We are capable of meeting the demands of worldwide customers. 2. Precisionsautolabs™ gaskets are designed ... asbestos, viton, silicone, ACM, NBR, plastic, etc.Various of Gaskets: cylinder head gasket , valve cover gasket, oil pan gasket , intake and ...