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.
Fire-Ring Head, 6.0L, Ford, Powerstroke. Part # 1039203278. -Fire Ring Heads, Ford 6.0L 2003-2005 - Includes machine work, fire rings and head gaskets on both heads NOTE: Must install head stud kit. The ATS Fire Ring Kit for allows for great performance and huge boost levels while helping protect your head gasket.