13.31" x1.02" (338mm x 26mm) Heavy Duty, 72 Vane, D47, J Hook Iron Racing Brake Disc
AP Racing's Heavy Duty J Hook Racing Discs were specifically designed to handle racetrack abuse. These are the same discs used on the fastest cars at the elite level of motorsports, including ALMS, NASCAR Sprint Cup, etc. They provide increased cooling, less judder, fewer cracks, and an increased service life vs. competing discs.