GrimmSpeed 4-Piston Brake Caliper Kit

2013–2026 Scion FR-S / Subaru BRZ / Toyota 86 / GR86

Part #: GRM.1171.1.RED

Overview

The GrimmSpeed 4-Piston Brake Caliper Kit is a high-performance upgrade designed specifically for the 326mm rotor setup on the Scion FR-S, Subaru BRZ, Toyota 86, and GR86 models from 2013 through 2026. This kit is engineered to provide enhanced braking power, improved pedal feel, and greater durability for both street and track use. Featuring a vibrant red finish, it not only boosts stopping performance but also adds a striking visual upgrade to your vehicle’s braking system.

Ideal for enthusiasts seeking a reliable and effective brake upgrade, the GrimmSpeed caliper kit offers a direct bolt-on solution that enhances safety and control without compromising daily drivability.

Key Features

This brake caliper kit combines advanced engineering with quality materials to deliver superior braking performance. Key features include:

• Precision-machined 4-piston calipers for balanced and consistent clamping force
• Compatible with 326mm rotors for optimized braking surface area
• Durable red powder-coated finish for corrosion resistance and aesthetic appeal
• Improved brake pad contact for enhanced stopping power and reduced fade
• Direct bolt-on fitment for easy installation without modifications
• Designed to work seamlessly with OEM brake lines and hardware
• Lightweight yet robust construction to reduce unsprung weight
• Engineered to improve pedal feel and braking response under aggressive driving conditions

Construction & Design

The GrimmSpeed 4-Piston Brake Caliper Kit is crafted from high-grade aluminum alloy, providing an excellent balance of strength and weight savings. The calipers are CNC-machined to exacting tolerances, ensuring precise piston alignment and smooth operation. The red powder-coated finish not only enhances corrosion resistance but also maintains a clean, professional appearance over time.

Each caliper features four pistons arranged to maximize clamping force evenly across the brake pads, reducing uneven wear and improving overall braking efficiency. The design prioritizes durability and heat dissipation, making it suitable for spirited driving and track environments.

Installation & Fitment

This kit is engineered for direct fitment on 2013–2026 Scion FR-S, Subaru BRZ, Toyota 86, and GR86 models equipped with 326mm rotors. Installation is straightforward, requiring no modifications to existing brake lines or mounting points. The kit includes all necessary hardware for a secure and reliable fit.

While professional installation is recommended to ensure optimal performance and safety, experienced enthusiasts with basic mechanical skills can complete the upgrade using standard tools. Proper brake bleeding and system inspection are essential after installation.

What's Included

• Two GrimmSpeed 4-piston brake calipers (front left and right)
• Mounting brackets and hardware
• Brake pad retaining clips
• Installation instructions

Ideal For

This brake caliper kit is perfect for drivers who demand improved braking performance from their Scion FR-S, Subaru BRZ, Toyota 86, or GR86. Whether you are upgrading for spirited street driving, occasional track days, or enhanced safety during aggressive driving, this kit delivers reliable stopping power and enhanced pedal feel. It is also an excellent choice for enthusiasts looking to refresh or upgrade their brake system aesthetics with a bold red finish.