Subscribe to a magazine


Back to article View Gallery
7 of 11
6. The brakes are nearly 13-inch rotors, with one or two Wilwood four-piston calipers per wheel end. (Production version boxes will have the caliper up along the side of the box, not on the bottom.) The portal box uses standard API GL-5 80W90 gear oil, and we outfitted our brakes with extra-long Russell DOT brake lines.