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Wilwood PolyMatrix A pad set (6617 A W6A/W4A AERO 4/6) is a manufacturer-designated replacement kit with a pad thickness of .670 inches. Supplied as a full set, these pads match the dimensional and material specifications tied to the 6617 A code. Verify the part number and thickness against your caliper application to confirm correct fitment and to maintain even braking characteristics across the axle.
Wilwood PolyMatrix Pad Set - 6617 A W6A /W4A AERO 4/6 (.670in Thk)
