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.
Install a new head gasket. Match up the holes in gasket with those in the cylinder block and. place the head gasket over the guide pins in the block. 2. Position the cylinder head on the head gasket. Make sure the head is seated onto the guide pins. NOTICE: Head and gasket must be seated properly, or engine damage. could result. 3. Using a dial caliper, measure the length of the cylinder head bolts from the end of the bolt to the. bottom of the ï¬ange. See Figure 1. Listed in Table 2 are the acceptable lengths. Replace any. bolts which do not meet these speciï¬cations.