PowerStop Rotor Kit

2020–2022 GMC Sierra 3500 HD

Part #: SC8670

Overview

The PowerStop SC8670 Rotor Kit is designed specifically for your 2020–2022 GMC Sierra 3500 HD, providing a reliable upgrade to your vehicle’s braking system. Whether you're hauling heavy loads, towing, or seeking improved stopping power for spirited driving, this rotor kit offers a significant enhancement over the factory rotors. Built with performance and durability in mind, these rotors help ensure your Sierra 3500 HD maintains optimal braking performance in demanding conditions.

Ideal for truck owners who require consistent, fade-resistant braking under heavy use, the PowerStop rotor kit combines quality materials with precision engineering. You'll benefit from improved heat dissipation, reduced brake fade, and longer service life, giving you confidence on the road or off-road adventures. This kit is perfect for those who want a straightforward, bolt-on upgrade that enhances safety and performance without the need for complex modifications.

Key Features

The PowerStop SC8670 rotor kit incorporates advanced features designed to maximize braking efficiency and longevity:

• Manufactured from high-quality cast iron for excellent durability and heat resistance, ensuring reliable performance under heavy braking conditions.
• Semi-coated finish on the rotors provides corrosion resistance, extending the lifespan of the components even in harsh environments.
• Precision-machined vented rotors promote superior heat dissipation, reducing the risk of brake fade during towing or aggressive driving.
• Designed with a slotted surface pattern to help evacuate gases, dust, and debris, maintaining optimal contact between the brake pads and rotors.
• Engineered for a direct fit with your GMC Sierra 3500 HD, ensuring easy installation with no modifications required.
• Compatible with factory brake calipers and hardware, making it a hassle-free upgrade for your vehicle’s braking system.
• Built to meet or exceed OEM standards, providing peace of mind and reliable stopping power.
• Suitable for daily driving, heavy-duty work, and off-road use, delivering consistent performance across various conditions.
• Designed to support your vehicle’s braking needs while maintaining a balance between performance and longevity.

Construction & Design

The PowerStop SC8670 rotors are crafted from premium cast iron, ensuring strength and resistance to warping under high heat. The semi-coated surface adds an extra layer of corrosion protection, which is especially beneficial for trucks exposed to moisture, road salt, and harsh weather. The vented design features precisely machined internal vanes that facilitate rapid heat dissipation, helping to keep brake temperatures low during extended use.

Manufactured with tight tolerances and finished with a smooth, slotted surface, these rotors provide a consistent, quiet braking experience. The slots not only improve braking performance by reducing brake fade but also help maintain cleaner contact surfaces by channeling away dust and gases. The overall design emphasizes durability, performance, and ease of installation, making these rotors a dependable upgrade for your GMC Sierra 3500 HD.

Performance & Sound

While specific horsepower or torque gains are not provided, these rotors are engineered to improve your vehicle’s braking response and overall safety. The vented and slotted design enhances heat management, reducing brake fade during demanding driving conditions such as towing or off-road excursions. You can expect a more consistent pedal feel and shorter stopping distances compared to the stock rotors, especially under heavy braking.

Installation & Fitment

The PowerStop SC8670 rotor kit is a direct bolt-on replacement for the factory rotors on your GMC Sierra 3500 HD (2020–2022). No cutting, drilling, or special tools are required for installation. The kit includes all necessary hardware and mounting components, allowing for a straightforward upgrade that can typically be completed with standard hand tools. Proper torque specifications should be followed to ensure optimal performance and safety.

• Easy, bolt-on installation with factory mounting points
• No modifications or additional tuning required

What's Included

• Front semi-coated vented rotors (pair)
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• Truck owners seeking improved braking performance for towing and heavy-duty use
• Enthusiasts wanting a durable, corrosion-resistant rotor upgrade
• Daily drivers who demand reliable stopping power in all weather conditions

Emissions Note

This rotor kit is designed to meet or exceed OEM standards and is suitable for on-road use in all 50 states. It is not intended for race or off-road use only.