Racing formula offers extreme stopping power in both wet and dry conditions Dust and rotor wear are eliminated Proprietary blend of organics and trace iron requires no break-in Performance Machine 2-piston 125 x 2, 2-piston rear 125 x 4S, 124 4SL, 4-piston 125 x 4S, 124 x 4SL, Jaybrake 2-piston small, GMA 4-piston F calipers, Iron Pegasus small Black Backing Plates