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.
A gasket provides a seal that will prevent leakage, especially when the equipment is under compression. In a car engine, for example, gaskets seal the cylinders to prevent coolant or engine oil from leaking. From the early 1900s through the 1970s, gaskets were often made from asbestos.