Strongarm 4781 Fits FORD Aerostar 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 / 24.2" long w/ wiper / Liftgate / Lift Supports, Struts, Props. Units Are Pair (2) Priced L & R This item is sold as (2) units 1 matched pair Extended length 24.4" (measured center to center of ball studs or eyelet ends) Compressed length 17.05" (measured center to center of ball studs or eyelet ends) Easy to install, most vehicles using a small flat headed screw driver.