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StopTech is an ultra-high performance brand that manufactures performance braking components for production-based race cars and high-performance vehicles. Their offerings include Big Brake Kits (BBK) which consist of 2-piston, 4-piston, and 6-piston calipers, patented Aerorotors (slotted or cross-drilled, with optional anti-corrosion zinc coating), Sport pads (designed as an aggressive street compound), model-specific stainless steel brake lines, and hardcoat anodized 6061-T6 billet aluminum brackets. StopTech emphasizes a "Balanced Brake Upgrade®" design, where engineers evaluate each vehicle's hydraulic system, weight transfer, and tire contact patch to optimize braking torque distribution. They also offer Trophy and C43 CBK kits, which are lighter and more track-focused, with some variations in caliper dust seals and anti-rattle hardware. StopTech products are designed and tested in California facilities, employing friction and materials engineers.