Wilwood Narrow Superlite 4R Rear Brake Kit

2018–2026 Jeep Wrangler, 2018–2026 Jeep Gladiator

140-16179-D

Overview:

The Wilwood Narrow Superlite 4R Rear Drilled & Slotted Brake Kit is a high-performance braking solution designed specifically for 2018 to 2026 Jeep Wrangler and Gladiator models. Engineered to enhance stopping power and heat dissipation, this kit is ideal for off-road enthusiasts and daily drivers seeking improved brake response and durability. Featuring a 14.00-inch rotor with precision-drilled and slotted surfaces, it delivers consistent performance under demanding conditions while maintaining a sleek, aggressive appearance with its black finish.

This brake kit includes pre-installed brake lines for a streamlined installation process, making it a practical upgrade for Jeep owners looking to boost rear braking efficiency without extensive modifications.

Key Features:

Wilwood’s Narrow Superlite 4R Rear Brake Kit combines advanced design and materials to deliver superior braking performance. Key features include:

• 14.00-inch diameter rotors with drilled and slotted surfaces for enhanced heat dissipation and reduced brake fade
• Lightweight Narrow Superlite 4R rotor design to reduce unsprung weight and improve vehicle handling
• Durable black powder-coated finish for corrosion resistance and a stylish appearance
• Includes pre-installed brake lines for simplified installation and reliable brake fluid delivery
• Precision engineering tailored to fit 2018–2026 Jeep Wrangler and Gladiator rear brake assemblies
• Improved brake pad bite and consistent stopping power under heavy loads and off-road conditions
• Compatible with factory calipers and brake components for a seamless upgrade

Construction & Design:

The rotors are crafted from high-grade carbon steel, ensuring exceptional strength and thermal conductivity. The drilled holes and slots are strategically placed to optimize cooling and channel away brake dust and gases, which helps maintain consistent braking performance during extended use. The Narrow Superlite 4R design reduces rotor mass without compromising structural integrity, contributing to better suspension response and overall vehicle dynamics.

The black powder-coated finish not only enhances corrosion resistance but also provides a clean, aggressive look that complements the rugged styling of Jeep vehicles. Every component is manufactured to meet strict quality standards, ensuring durability and long service life even in harsh environments.

Installation & Fitment:

This brake kit is designed for direct fitment on the rear axle of 2018 through 2026 Jeep Wrangler and Gladiator models. The inclusion of pre-installed brake lines simplifies the installation process, reducing the need for additional modifications or custom fittings. Professional installation is recommended to ensure optimal brake system performance and safety.

All necessary mounting hardware is included, and the kit is engineered to work seamlessly with existing brake components, making it an efficient upgrade for those looking to enhance rear braking capability without extensive vehicle alterations.

What's Included:

• Two 14.00-inch drilled and slotted Narrow Superlite 4R rotors (black powder-coated)
• Pre-installed brake lines
• Mounting hardware and installation instructions

Ideal For:

This Wilwood brake kit is perfect for Jeep Wrangler and Gladiator owners who demand improved rear braking performance for off-road adventures, towing, or enhanced daily driving safety. It suits enthusiasts seeking a reliable, durable upgrade that balances performance with style, especially those who want to maintain factory compatibility while benefiting from advanced rotor technology.

Wilwood Engineering is a major manufacturer of high-performance disc brake solutions spanning racing, street performance, and specialty OE applications. From big brake kits and calipers to rotors and hydraulic components, Wilwood upgrades are built for stronger stopping power, better heat management, and consistent pedal feel when stock brakes aren’t enough.