[371.30.0047.86]Peformance Fricion brake rotor Chevrolet Corvette C6 ZO6 / Chevrolet Suburban / BMW E92 M3 / BMW E90 330i ZR31 right rear disc for assembly no. 371.044.86- 371.093.86- 371.630.86- 371.079.86
All Performance Friction Discs adhere to the following specifications:
- High Carbon Alloy with copper and molybdenum for high temperature strength and durability.
- Vanes turned OD and ID for balance to reduce thermal warping and vibration.
- Thickness variation less than .0003 inches and Run out less than .001 inches reduces Pulsation and Vibration.
- 47 or more vanes for superior thermal capacity.
- Aircraft quality heat treatment for micro structure alignment and durability.
- Surface finish less than .7 microns.
- 100% measured and inspected to meet strict tolerance specifications.