The Hawk Performance HP+ (High Performance Plus) brake pad compound is ideal for Autocross and Track Day drivers looking for a high-performance race compound that can take the heat of the track and get you home safely without having to change pads. The HB452N.545 set is specifically designed for Subaru rear 2-pot or single-pot sliding calipers (D1004 FMSI). Features: Extremely high friction output, Fade resistant, Consistent torque. Includes: 1 x Rear Axle Brake Pad Set (4 pads) - MPN: HB452N.545 / FMSI: D1004.