2002 Toyota 4Runner front strut reploacement

I have purchased quick strut replacements from Monroe. Part no. 171351L and R. I cannot get the wishbone to move far enough down for the bottom bolt to install. The overall length from upper bearing plate to centerline of pinch bolt is approx 19.5 in. I hoped this would be easy and now hope there is a no brainer which will prove my limited knowledge.