Double Tuff HD Aluminum Long Arm Conversion Cross Bar Length:98" unassembled so you can put

unassembled so you can put them together in either driver side or passenger side configuration

4 x Spiral Torsion Springs (AP7005)

while the bow length is the measurement between the interior walls of the trailer

1 x Lufkin ULD Channel (BF1008)

Double Tuff HD Aluminum Long Arm Conversion Cross Bar Length:98" unassembled so you can putThis kid converts your existing arm system into a Double Tuff HD Long Arm system. This kit includes 1 x Passenger Long Arm Pivot Assembly (APK010) 1 x Driver Side Long Arm Pivot Assembly (APK011) 1 x HD Aluminum Cross Bar Kit (APK014) 2 x HD Aluminum Arms (AP8020) 2 x Beam Saddles (AP8007) (optional) 1 x Pivot Mount Beam (AP8006) (optional)