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.
Exhaust Manifold Gasket. The exhaust manifold gasket is the working seal between the exhaust manifold and the cylinder head. Symptoms of Wear or Failure. 1  A ticking or tapping noise, especially when the engine is cold. 2  Unusual smell from exhaust. 3  Check Engine Light may come on.