For Four Doors, Track length Fit door opening
5FT /60" Kit - 4 doors fits ≤ 54" door opening and four 14.5" wide doors
5.5FT /66" Kit - 4 doors fits ≤ 60" door opening and four 16" wide doors
6FT /72" Kit - 4 doors fits ≤ 66" door opening and four 17.5" wide doors
6.6FT /80" Kit - 4 doors fits ≤ 72" door opening and four 19.5" wide doors
7FT /84" Kit - 4 doors fits ≤ 78" door opening and four 20.5" wide doors
7.5FT /90" Kit - 4 doors fits ≤ 84" door opening and four 22" wide doors
8FT /96" Kit - 4 doors fits ≤ 90" door opening and four 23.5" wide doors
9FT /108" Kit - 4 doors fits ≤ 102" door opening and four 26.5" wide doors
10FT /120" Kit - 4 doors fits ≤ 114" door opening and four 29.5" wide doors