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.
1 To use a gas station pump on a Presta valve, you'll need a Presta adapter. 2  This is a small cap you can screw onto a Presta valve to essentially turn it into a Schrader valve. 3  Some older bike pumps might also require you to have a Presta adapter.4  You can purchase one from your local cycle shop.o deflate a tire with a Schrader valve, simply press on the springy valve stem with a fingernail or other small tool until all the air escapes. http://pad1.whstatic.com/images/thumb/b/b0/Inflate-Bike-Tires-Step-5-preview-Version-2.jpg/550px-Inflate-Bike-Tires-Step-5-preview-Version-2.jpg.