The Wilwood HD-48 Spec-37 curved vane rotor is a heavy-duty replacement rotor manufactured from a proprietary iron alloy to resist extreme temperatures, distortion, warping, cracking, and wear. The HD Series receives full detail machining and features smooth pad contact faces without slots, providing a durable, high-capacity rotor option for demanding braking situations where thermal stability and long service life are priorities.
Wilwood Rotor-HD48 SPC-37-LH 13.06 x 1.25 - 12 on 8.75in