... motor oil being mixed with antifreeze. 1. Precisionsautolabs™ gaskets are extensively used on the cars, light commercial trucks ... the demands of worldwide customers. 2. Precisionsautolabs™ gaskets are designed and manufactured to match or even exceed ... Material is optional: metal, non-asbestos, graphite, asbestos, viton, silicone, ACM, NBR, plastic, etc.Various of Gaskets: cylinder head gasket , valve ...