3-1/2" Bore Head Gasket. Graphite. For 1984-'99 Big Twins and 1986-2003 xl.
This is a direct replacement for Harley-Davidson® part number 16770-84D.
Note: All reference to H-D® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle's products are original equipment parts or that they are equivalent to the corresponding H-D® part number shown.