Jeep Wrangler Brake Kit - Rear - Wilwood - Narrow Superlite 4R + SRP 13.50in Rotor w/Lines - Red - `18-`21. This rear brake kit pairs Wilwood Narrow Superlite 4R calipers with 13.50" SRP rotors and brake lines, offering a direct-fit upgrade for 2018–2021 Jeep Wranglers looking for stronger, more confidence-inspiring braking.

Built for enthusiasts who modify and drive their Wranglers, this kit combines a compact multi-piston caliper design with a larger SRP rotor to improve brake modulation, heat management, and pedal feel under demanding conditions. The calipers come with a durable red finish that resists corrosion, and the kit includes pre-bent brake lines for easier installation. It’s a practical upgrade for on-road and light off-road use where improved braking consistency and component durability matter.

Features

• Fitment: 2018–2021 Jeep Wrangler (rear)
• Wilwood Narrow Superlite 4R multi-piston calipers (compact, performance-oriented)
• 13.50" SRP rotors for improved thermal capacity
• Included brake lines for a complete rear-side installation
• Durable red finish for corrosion resistance and style

If you have questions about fitment, brake bias, or installation, call us directly — our team can walk you through compatibility and setup. We offer installation and customization services at two locations: Austin, Texas and Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to schedule or get advice. If you’re buying multiple items, contact us about shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov