The Zimmermann Brake Kit - Front - 138666 is a comprehensive set of products designed to improve the braking performance of a car. It includes four brake rotors, four sets of brake pads, four brake calipers, and all necessary hardware for installation. The kit is specifically designed for the front brakes of a car, providing a complete solution for upgrading or replacing worn out brake components. The brake rotors are high-quality discs that work with the brake pads to create friction and slow down the vehicle. The brake pads are made from durable materials and are essential for effectively stopping the car. The brake calipers are responsible for applying pressure to the brake pads, allowing them to make contact with the rotors and slow down the car. The kit also includes all necessary hardware, such as bolts and clips, for a smooth and hassle-free installation. This Zimmermann Brake Kit is a reliable and convenient option for maintaining the performance and safety of a car's front brakes.