Rear Caliper - 79-81 XL - Clear AnodizedCaracteristicas: Billet aluminum with classic "fin" or smooth designs Raw metal on black contrast calipers is anodized for a long lasting high quality finish Hanger brackets and brake pads included Made in the U. S. A. The OLD STYLE Wagner and Kelsey Hayes (die cast aluminum OEM) on rear applications have a 3 4" bore master cylinder and WILL NOT WORK CORRECTLY. Not recommended for use with imported stainless steel rotors. Requires use of 5 8" bore