Wilwood HD 48 Curved Vane Spec-37 Rotors High-Temperature Resistant Alloy

Wilwood HD 48 Curved Vane Spec-37 Rotors — High-Temperature Resistant Alloy Wilwood HD 48 Curved Vane Spec-37 rotors are engineered for extreme-duty braking performance. Built from a proprietary Spec-37 iron alloy, these rotors offer exceptional resistance to distortion, warping, cracking, and wear in high-temperature environments. Designed from materials and processes derived from Wilwood's military-grade rotor technology, the HD Series brings durable, race-ready construction to street, track, and heavy-duty applications. High-temperature stability: Spec-37 alloy formulation minimizes thermal degradation under repeated heavy braking. Durability: Superior resistance to cracking, warping, and general wear for extended service life. Optimized vane design: Curved vanes promote efficient cooling and consistent thermal distribution. Precision finish: Fully machined pad contact faces are smooth and free of slots for predictable pad engagement. Proven lineage: Technology derived from Wilwood’s extreme-duty military-spec rotors. Choose Wilwood HD 48 Curved Vane Spec-37 rotors when you need dependable, high-performance braking under the harshest conditions. Ideal for race, performance, and heavy-duty vehicles where thermal management and long-term durability are critical.