buffer (bÅ­f'Ér) Chemistry A substance that prevents change in the acidity of a solution when an acid or base is added to the solution or when the solution is diluted.
These Ford Racing Performance Head Gaskets are specifically designed for use with cast iron or aluminum cylinder heads on a Ford 289, 302, 5.0L, or 351 Windsor V8 engine.
â¢ Before you install a new head gasket, use a straight edge and feelergauge to carefully check the flatness of both the cylinder head and theengine block. If flatness is not within specifications, the head orblock will have to be resurfaced. For engines with aluminum heads,flatness should be 0.002 in.egardlessof the cause, a head gasket failure is bad news for the vehicle ownerbecause it will require replacing the head gasket, or if it is a warranty situation for one of your engines, youâll get to do it again.