The side bow, center bow, and header structure of the Bestop Supertop NX was assembled first. The side bows were attached to the header, making sure the side bows were oriented with the bends pointing up and the pivot knuckles facing outward. A Phillips-head screwdriver will be needed here, and all the holes are pre-drilled. Then the center bow was attached to the side bow by laying the plastic bumpers of the center bow on top of the side bows, aligning the holes in center bow with those in the side bows, and using the kit-supplied hardware to secure them together. A Philips-head screwdriver and 8mm wrench were used on this step.