Strongarm 4331 Fits Mercury Cougar 1999 2000 2001 2002 / With Rear Spoiler And Or Wiper / Rear Hatch / Lift Supports, Struts, Props. Units Are Pair (2) Priced L & R This item is sold as (2) units 1 matched pair Extended length 17.6" (measured center to center of ball studs or eyelet ends) Compressed length 11.3" (measured center to center of ball studs or eyelet ends) Easy to install, most vehicles using a small flat headed screw driver.