Stoptech Brake Components

Part #: 127.40057R

Overview

The Stoptech D&S 300mm Vented Cast Iron Rotor is a high-performance brake rotor designed to enhance stopping power and durability for your vehicle. Crafted for enthusiasts who demand reliable braking under daily driving, towing, or spirited driving conditions, this rotor combines advanced engineering with robust materials to deliver consistent performance. Its vented design ensures effective heat dissipation, reducing brake fade and maintaining optimal braking response during demanding use. Whether you're upgrading your stock setup or seeking a dependable replacement, this rotor offers a significant improvement in braking feel and longevity.

Key Features

This rotor features a one-piece cast iron construction, providing excellent strength and heat resistance. The slotted design helps improve pad bite and debris removal, enhancing overall braking performance. Its cryo-treated option further increases durability by relieving internal stresses and refining the metal structure. Designed for straightforward installation, this rotor is an ideal upgrade for drivers seeking reliable, high-quality braking components that support consistent performance and safety.

Construction & Design

Manufactured from high-grade cast iron, the rotor is engineered for durability and heat management. The vented design promotes airflow between the rotor faces, helping to keep temperatures low during intense braking. Slots are precisely machined to optimize pad contact and debris evacuation, contributing to improved braking response and reduced brake dust buildup.

Performance & Response

This rotor is intended to support confident braking response in various driving scenarios. The slotted pattern enhances initial bite and modulation, making it suitable for daily driving, towing, and performance applications. Its construction helps maintain consistent braking feel, even after extended use.

Installation & Fitment

Designed as a direct replacement, this rotor fits specific Acura RSX Type-S and Honda Civic Si models with 300mm vented rotors. Proper fitment should be verified against your vehicle's specifications and the part number provided.

What’s Included

The package includes one vented cast iron rotor with slotted design, ready for installation. Hardware and additional components are not included and should be sourced separately if required.