Billet aluminum with a smooth or classic fin design in a choice of three finishes: clear anodized, chrome or black contrast. Select styles now available in a chrome finish. 2-piston design. All single-disc applications require a 5/8in. bore master cylinder. Hanger brackets brake pads included. Made in the USA Not recommended for use with imported stainless steel rotors. When installing new calipers, always check spoke-to-caliper clearance.