PolyMatrix B Compound Brake Pads, BP-28, Semimetallic, 4 Pads, 4.86" Outside Dimension, 2.36" Total height, Uper Left Hole, Upper Right Hole, 6 Piston, (for use with Wilwood Dyna Pro 6 Lug mount) *Medium-high friction, good cold response *Gently rising torque curve, predictable engagement *Low wear rate at medium temperatures, increasing to moderate at high temperature. *Medium-high friction, good cold response |