Download STEP 1: INSTALL BULKHEAD ADAPTER A. Remove the forward upper Tie Down Brackets (Photo 1) . B. Remove the two (2) upper Bedrail bolts per side (Photos 2 & 3) . C. Remove the three (3) upper Bulkhead bolts (Photo 4) . NOTE: There are a total of eleven (11) bolts to be removed. STEP 2: INSTALL MOUNTING FLANGES ON BEDRAILS AND BULKHEAD Note: Notice that two sizes of metric bolts have been provided. The four (4) large 8mm x 40mm bolts are to be used in the forward positions of the Track Mounting Flanges where the tiedown brackets were removed (Photo 1) . The seven (7) smaller 6mm x 40mm bolts are to be used in all the other locations. A. Begin by applying the Butyl caulking strips to the cab end of the Track Mounting Flanges (Photo 5) . Place the strip on the Flange edge, and press the material onto the Flange so that caulking material is equally distributed on both sides of the Flange (Photo 6) . B. Next, key the driver’s side rack Mounting Flange into the slot between the bulkhead and the bedrail (Photo 7) , being sure that the caulking is pressed into the slot. C. Using a 6mm x 40mm bolt and rectangular shim, secure the Track Mounting Flange at the center position.