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.
ANSI 150# and 300# Gaskets. Available in EPDM Rubber | High Temperature AFC | Neoprene | Nitrile / Buna N | Red Rubber | FKM. Select the type you need and click to see availability and pricing. 150# & 300# ANSI Ring Gaskets.