This caliper features a heavy duty cast aluminum body with fins for added cooling. It is available to fit disc thicknesses of .810" and 1 1/4" with outside diameters from 11 3/4" to 12 3/16". It uses the standard HB-101 or 7751 series brake pads. It is available with straight bore or staggered bore pistons and fits the standard 3 1/2" mount. Designed for use on dirt and asphalt late models.