Raybestos H15083 R-Line Replacement Front Disc Brake Caliper Bolts ensure safe and reliable operation of vehicle braking systems. Worn out brake hardware can lead to unwanted noise, premature brake wear, and brake drag. Built to precise specifications in form, fit and function, these caliper bolts help eliminate brake noise and premature and uneven pad wear while also resisting fatigue and creep failure. Manufactured under high quality standards, these bolts are essential to a successful brake job and performance that is safe, quiet and smooth.