Made from a single piece of solid billet aluminumFour large diameter pistons are combined with an extra rigid differential bore monobloc construction design to increase breaking performance Includes brake padsProvides 20% increase in stopping power over OEM calipersLaser engraved Performance Machine logoDesigned for 11.8'' (300 mm) rotorsMade in the U.S.A.Compatible with ABS and non-ABS brake systems.Works with OEM or aftermarket master cylinders.