Brembo GTR Rear Big Brake System

2007–2018 Jeep Wrangler JK

Part #: 2P3.9034AR

Overview

The Brembo GTR Rear Big Brake System is a high-performance upgrade designed specifically for the 2007–2018 Jeep Wrangler JK. Engineered for drivers who demand superior braking power and reliability, this kit enhances stopping performance both on the street and the track. Featuring Brembo’s renowned GT 4-piston monobloc calipers paired with large 15-inch slotted TY3 discs, the system delivers consistent, fade-resistant braking under the most demanding conditions.

Ideal for enthusiasts seeking improved control and safety, the Brembo GTR kit offers a significant upgrade over factory brakes, reducing stopping distances while maintaining excellent pedal feel and modulation. Whether navigating rugged trails or spirited road driving, this system ensures your Jeep Wrangler JK stops with confidence and precision.

Key Features

Designed with cutting-edge technology and precision engineering, the Brembo GTR Rear Big Brake System includes:

• 4-piston monobloc aluminum calipers for enhanced rigidity and consistent braking force
• 15-inch two-piece TY3 slotted discs with advanced high carbon alloy and corrosion-resistant plating
• Floating disc design with curved 48-vane venting to optimize heat dissipation and reduce thermal shock
• Cross-drilled and slotted rotors to improve brake dust and gas evacuation, maintaining performance
• High-performance Brembo FM1000 brake pads formulated for superior friction and durability
• Proprietary stainless steel braided brake lines by Goodridge for improved brake feel and reliability
• Complete mounting hardware including CNC billet caliper adapters for a seamless installation
• Enhanced stopping power with larger rotors and multi-piston calipers to reduce braking distances
• Improved heat management to prevent brake fade during intense driving sessions
• Stylish, performance-oriented design that complements the Jeep Wrangler JK’s rugged aesthetic

Construction & Design

The Brembo GTR system features monobloc calipers machined from a single billet of cast aluminum, delivering exceptional stiffness and resistance to deformation under heavy braking. This construction ensures consistent pad contact and braking performance, even in extreme conditions. The 15-inch TY3 discs utilize a two-piece floating design with a floating D-bobbin and anti-rattle spring, allowing for thermal expansion and reducing stress on the rotor.

The discs are crafted from an advanced high carbon alloy with a corrosion-resistant plating to extend service life and maintain appearance. The vented curved 48-vane design maximizes airflow, dramatically improving cooling efficiency and reducing the risk of thermal cracking by up to 40%. Cross-drilled and slotted surfaces further enhance heat dissipation and help clear brake dust and gases for consistent braking feel.

Performance & Sound

This Brembo kit significantly improves braking performance by increasing rotor size and utilizing multi-piston calipers, resulting in shorter stopping distances and better pedal modulation. The high-performance FM1000 pads provide strong initial bite and consistent friction levels, while the stainless steel braided lines enhance brake pedal feedback. The system’s design also helps reduce brake fade during prolonged or aggressive driving, ensuring reliable performance on and off the track.

Installation & Fitment

The Brembo GTR Rear Big Brake System is engineered as a direct fit upgrade for the rear axle of 2007–2018 Jeep Wrangler JK models. The kit comes pre-assembled with all necessary hardware, including Brembo-engineered CNC billet caliper adapters, making installation straightforward with no major modifications required. Professional installation is recommended to ensure optimal performance and safety.

What's Included

• Set of 4-piston monobloc rear calipers
• Two-piece 380 x 28 mm (15") TY3 slotted and cross-drilled discs
• High-performance Brembo FM1000 brake pads
• Proprietary stainless steel braided brake lines by Goodridge
• CNC billet caliper adapters and all necessary mounting hardware
• Anti-rattle springs and floating disc mounting components

Ideal For

This Brembo GTR Rear Big Brake System is perfect for Jeep Wrangler JK owners who want to upgrade their braking performance for spirited street driving, off-road adventures, or occasional track use. It suits enthusiasts seeking enhanced safety, improved pedal feel, and a more aggressive braking setup that complements the rugged nature of the Wrangler JK.