A 14" disc brake upgrade with 6-piston Wilwood FNSL calipers designed for GM AFX Cars using Wilwood Iron ProSpindles.
Equivalent to Wilwood 140-15983, 140-15983-D, 140-15983-DR, and 140-15983-R
Note: Requires Wilwood Iron ProSpindles 831-15890
Wheel size requirement: Fits inside most 18" wheels.
