The Wilwood DP6 caliper in the listed 1.38/1.00/1.00 configuration pairs with a .810 rotor dimension as described, built on the DynaPro DP6A platform. The spec calls out reinforced triple-bridge construction with five bridge bolts, a forged aluminum six-piston differential-bore body, and stainless steel pistons with high-temperature seals, supporting rotor diameters up to 13" and widths across the listed range.
Wilwood 1.38/1.00/1.00 DP6 Caliper .810 Rotor