8 ft short. I would look into 8, 10 or even 12 ft 2x6 and temporarily extend bunk. Drill hole in end of bunks on trailer. Drill hole on extended lumber. Lumber will extend in to water and still be attached to trailer. Single large bolt will allow it to pivot down into the water. Second winch strap with loop to attached to winch on trailer. Winch boat to length of second strap. Remove second strap. Attach trailer swap and winch rest of the way on to trailer. Now just remove extended bunks and place in boat for the ride.
