StopTech Disc Brake Rotor

StopTech Disc Brake Rotors: Race-Proven Stopping Power

When it comes to disc brake rotors, few names carry the engineering credibility of StopTech. Founded in 1999 with a singular focus on high-performance braking, StopTech has spent over two decades translating motorsport research directly into street-legal hardware. Their disc brake rotors are a prime example: every design decision — from vane geometry to surface finish — is backed by real-world testing and patented innovation.

Patented AeroRotor Technology

StopTech's most advanced rotor offering is the AeroRotor, a two-piece floating design that sets itself apart from conventional one-piece castings. The patented AeroRotor vane design pushes up to 80 percent more air than factory rotors for better cooling and reduced fade on the track. The two-piece construction matters too: the directional, floating AeroRotors allow independent expansion of the rotor and hat without "coning," thanks to elongated drive pin holes. For weight-conscious drivers, the aircraft-grade aluminum hats and 2-piece AeroRotors are up to 8 pounds lighter than stock rotors, allowing faster acceleration and deceleration, and improved handling.

Sport Slotted Rotors: The Street-Performance Sweet Spot

For enthusiasts who want a meaningful upgrade without a full big-brake conversion, StopTech's Sport Slotted rotors hit the ideal balance of performance and daily drivability. The short slot designs run perpendicular to the vane to preserve rotor strength and are angled to use the rotor's direction of rotation to enhance performance, making them side-specific with dedicated left-side and right-side rotors. The rotors are also double disc ground and mill balanced to ensure a consistent friction surface and improved pad bed-in.

E-Coat Finish and Corrosion Protection

A rotor's longevity depends heavily on how well it resists the elements. StopTech's black Electrocoating (E-coating) finish — an electrostatically applied finish — is designed to withstand 400 hours of saltwater exposure without rusting and provides long-lasting corrosion protection in the critical hat and cooling vane areas. This matters most for drivers in northern climates where road salt is a constant threat to brake hardware.

Superior Metallurgy and Thermal Engineering

StopTech brake rotors are specifically designed to run cooler. All applications have superior metallurgy and design specifications, including vane designs — with some applications featuring curved vane designs — to further promote cooler running temperatures. Select applications also benefit from StopTech technology that results in a completely engineered performance rotor with superior resistance to cracking due to thermal stress.

AeroRotor Replacement Kits (ARK): Big-Brake Performance, Factory Fitment

Not every upgrade requires a complete caliper swap. StopTech AeroRotor Replacement Kits (ARK) are designed to replace your vehicle's original factory rotors while retaining the factory brake calipers — and although the ARK is the same diameter and thickness as the factory rotors, it offers improved cooling, braking, and handling. AeroRotors are available slotted or cross-drilled; these slots or holes allow better dissipation of heat, friction material, and debris, assuring that fresh pad material is in contact with the rotor every time the brakes are applied.

Race-Developed, Street-Ready

StopTech's industry-leading technologies and materials have earned the company five patents and numerous industry honors over the years. StopTech offers a comprehensive platform of brake systems, designed in collaboration with professional racing teams, that dramatically improve overall braking performance. Whether you're building a dedicated track car or simply want more confidence on your daily commute, StopTech's lineup of over 334 disc brake rotor SKUs covers an extraordinary range of makes, models, and performance tiers.