The Wilwood GT‑48 curved‑vane Spec‑37 rotor is a two‑piece competition rotor manufactured from Wilwood’s proprietary iron alloy to resist distortion, warping, cracking and wear under extreme temperatures. Featuring the GT Series asymmetrical face slot pattern and individual dynamic balancing, it delivers high cooling capacity and smooth, vibration‑free braking for short‑track and road‑course competition, extending rotor life under heavy use.
Wilwood GT 48 Curved Vane Rotor Spec-37 12.9 x 1.26 - 10 on 8.11