StopTech Transmission Hard Parts
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StopTech: Race-Proven Braking for the Street and Track
StopTech was founded in 1999 with a singular mission: to become the leading aftermarket manufacturer of high-performance brake components and systems. From its earliest days, the brand drew its identity directly from motorsport, developing technology on the track and refining it for production vehicles — a philosophy that shaped every component it has ever made.
One of StopTech's most significant early achievements was being the first aftermarket brake company to offer balanced front brake upgrades compatible with a vehicle's existing rear OE brakes. This concept, formalized as the Balanced Brake Upgrade™, addressed a critical but often overlooked issue in performance braking: mismatched front-to-rear bias. By engineering upgrades that work in harmony with the factory rear system, StopTech delivered measurably shorter and more controlled stops without compromising overall brake balance.
All StopTech products are machined to ISO standards at the company's manufacturing facilities in Southern California, using CNC machines equipped with active tooling. StopTech also earned ISO/TS 16949:2009 Quality Management System certification for the design and manufacture of automotive brake systems, allowing it to supply OEM assembly plants for marques including BMW, Ferrari, Audi, Subaru, and Toyota in a direct Tier 1 relationship. A number of StopTech products have also received Europe's prestigious TÜV approval — a rigorous independent certification that speaks to the brand's commitment to safety and engineering integrity.
The heart of the StopTech lineup is its disc brake rotors. StopTech's patented AeroRotor® designs feature an aerodynamic cooling vane pattern engineered to channel airflow and manage heat — a critical factor in preventing brake fade during sustained hard braking. Whether you're looking for a direct OE replacement or a slotted, cross-drilled upgrade, StopTech covers an enormous range of vehicle applications.
Complementing the rotors, StopTech's disc brake pad sets are formulated across multiple compounds to suit everything from daily commuters to dedicated track cars. Using para-aramid composite materials, the pads are engineered to deliver linear response regardless of temperature and are 100% asbestos-free.
For drivers who want to upgrade the entire hydraulic feel of their braking system, StopTech's stainless steel and performance brake lines and hoses are a proven starting point. Built around a seamless PTFE inner tube wrapped in stainless steel braid, these lines resist expansion under pressure, translating to a firmer, more consistent pedal feel and improved brake modulation.
Those seeking a more complete transformation can explore StopTech's disc brake upgrade kits and disc brake kits — fully engineered bolt-on systems that bundle calipers, rotors, pads, lines, and all necessary hardware into a single, vehicle-specific package. StopTech Big Brake Kits have earned a TÜV Teilgutachten, meaning the complete kit is certified for a specific application without requiring owners to pursue additional independent testing.
From the weekend autocross enthusiast to the serious road racer, StopTech built a catalog of over 5,000 parts designed to make every vehicle stop with more confidence, more control, and more consistency.
