These extra long filters are an inexpensive replacement for OEM filters, and are made to OEM specs. They are capable of filtering down to 10 microns in size and have a 14 fluted end for a filter wrench. Replaces OEM# 63813-90 and #63812-90. Fits 1991 Harley-Davidson Dyna Sturgis FXDB 1992 Harley-Davidson Dyna Daytona FXDB-D 1992 Harley-Davidson Dyna Glide Custom FXDC 1993 Harley-Davidson Dyna Low Rider FXDL 1993 Harley-Davidson Dyna Wide Glide FXDWG 1994 Harley-Davidson Dyna Low Rider FXDL 1994 Harley-Davidson Dyna Convertible FXDS-Conv 1994 Harley-Davidson Dyna Wide Glide FXDWG 1995 Harley-Davidson Dyna Super Glide FXD 1995 Harley-Davidson Dyna Low Rider FXDL 1995 Harley-Davidson Dyna Convertible FXDS-Conv 1995 Harley-Davidson Dyna Wide Glide FXDWG 1996 Harley-Davidson Dyna Super Glide FXD 1996 Harley-Davidson Dyna Low Rider FXDL 1996 Harley-Davidson Dyna Convertible FXDS-Conv 1996 Harley-Davidson Dyna Wide Glide FXDWG 1997 Harley-Davidson Dyna Super Glide FXD 1997 Harley-Davidson Dyna Low Rider FXDL 1997 Harley-Davidson Dyna Convertible FXDS-Conv 1997 Harley-Davidson Dyna Wide Glide FXDWG 1998 Harley-Davidson Dyna Super Glide FXD 1998 Harley-Davidson Dyna Convertible FXDS-Conv 1998 Harley-Davidson Dyna Low Rider FXDL 1998 Harley-Davidson Dyna Wide Glide FXDWG The listing is for 2 chrome filters.