The Wilwood BP-20 pad set (6617-20) supplies BP-20 compound replacement pads sized for Aero 4/6 caliper applications with a pad thickness of 0.67 in. Supplied as a complete pad set, it brings Wilwood’s BP-20 friction material to Aero 4/6 hardware—confirm caliper model and thickness before installation to ensure correct fit and clearance.
Wilwood Pad Set BP-20 6617-20 AERO 4/6 (.67in Thick)