Part Description
Rear master cylinder
Text excerpt from the catalog:
Complete 5/8" bore rear master cylinder assembly for models with remote brake fluid reservoir, such as FX models 1983 to early-1987 (except 1984 FXE). Can also be installed on 1982 to early-1987 FXR, 1985 thru 1986 FXWG and 1984 thru early 1987 FXST if plug on backside is removed for brake light switch installation. All chrome finish (OEM 42446-82A & 42470-82B).