Options Installation for optional ramp: Install optional Ramp: Please note that the optional ramp attached with wood screws on previous HD and HDL platforms; screws still supplied with Ramp Option for those cases. Item Description Qty. 1 3/8-16 X 2.75 Hex Bolt 2 2 3/8 Washer 2 3 Ramp 1 4 8 Foot Rear Rail 1 Note: Tighten to 20-25 Ft-lbs (27.1-33.8 Nm) Parent topic: Stand Alone Components