Wilwood PolyMatrix Q

Medium friction, smooth engagement, low abrasion on iron rotors. Flat torque curve. Can be used with aluminum rotors on Sprint Car applications. Low wear rate at low to medium temperatures Street Use OK High performance ceramic based street formula. Lowest dust and noise. Compatible with all types of steel or iron rotors. Aluminum rotors for racing. Backing plate number 7812 MAP BBK FRONT ONLY