4.10 ring-and-pinion and TRD limited-slip rearend turn the BFGs and provide forward motion when traction is sketchy. A Snug Top's Snug Lid locks in place to keep cargo secure. The bed's sheetmetal is coated with Line-X for nonskid corrosion protection. Valley Line-X sprayed the coating. The stock rear wheel openings are just large enough to clear the 33s.