Harley Davidson carburetor. Looks to be in good condition. The throttle actuator and the slide move freely. I have not opened it up to view the condition inside. It was included in a box of parts I acquired, in which all parts were in good used condition.
According to the HD website, 27492-96 was replaced by 27492-96B, which fits the following years and models:
FLSTC 1BJL HERITAGE SOFTAIL CLASSIC (1996)
FLSTC 1BJL HERITAGE SOFTAIL CLASSIC (1997)
FLSTC 1BJL HERITAGE SOFTAIL CLASSIC (1998)
FLSTC 1BJL HERITAGE SOFTAIL CLASSIC (1999)
FLSTF 1BML FAT BOY (1996)
FLSTF 1BML FAT BOY (1997)
FLSTF 1BML FAT BOY (1998)
FLSTF 1BML FAT BOY (1999)
FLSTN 1BNL HERITAGE SOFTAIL NOSTALGIA (1996)
FLSTS 1BRL HERITAGE SPRINGER (1997)
FLSTS 1BRL HERITAGE SPRINGER (1998)
FLSTS 1BRL HERITAGE SPRINGER (1999)
FXD 1GHL DYNA SUPER GLIDE (1996)
FXD 1GHL DYNA SUPER GLIDE (1997)
FXD 1GHL DYNA SUPER GLIDE (1998)
FXDL 1GDL DYNA LOW RIDER (1996)
FXDL 1GDL DYNA LOW RIDER (1997)
FXDL 1GDL DYNA LOW RIDER (1998)
FXDS CONV 1GGL DYNA SUPER GLIDE CONVERTIBLE (1996)
FXDS CONV 1GGL DYNA SUPER GLIDE CONVERTIBLE (1997)
FXDS CONV 1GGL DYNA SUPER GLIDE CONVERTIBLE (1998)
FXDWG 1GEL DYNA WIDE GLIDE (1996)
FXDWG 1GEL DYNA WIDE GLIDE (1997)
FXDWG 1GEL DYNA WIDE GLIDE (1998)
FXR2 1ESL CVO DYNA SUPER GLIDE (1999)
FXR3 1ETL CVO DYNA SUPER GLIDE (1999)
FXR4 1EVL CVO DYNA SUPER GLIDE (2000)
FXST 1BHL SOFTAIL STANDARD (1999)
FXSTB 1BTL NIGHT TRAIN (1999)
FXSTC 1BKL SOFTAIL CUSTOM (1996)
FXSTC 1BKL SOFTAIL CUSTOM (1997)
FXSTC 1BKL SOFTAIL CUSTOM (1998)
FXSTC 1BKL SOFTAIL CUSTOM (1999)
FXSTS 1BLL SPRINGER SOFTAIL (1996)
FXSTS 1BLL SPRINGER SOFTAIL (1997)
FXSTS 1BLL SPRINGER SOFTAIL (1998)
FXSTS 1BLL SPRINGER SOFTAIL (1999)
FXSTSB 1BPL SPRINGER SOFTAIL (1996)
FXSTSB 1BPL SPRINGER SOFTAIL (1997)