The Wilwood Narrow Superlite 4R rear brake kit for 2018–2021 Jeep Wrangler narrow applications includes SRP 13.50-inch rotors with lines and a black finish. This rear axle kit is sized to fit narrow Wrangler rear geometry while providing a multi‑piston brake upgrade and comes supplied as a complete rear kit for the listed model years.

Wilwood 18-21 Jeep Wrangler Narrow Superlite 4R Rear Brake Kit SRP 13.50in Rotor w/Lines - Black