Upgrading from kelsey hayes to???

These use a 13.6 rotor but If they could function with an 11 inch stock rotor I'd be happy, Im just guessing here i have no clue about how this all works when it comes to calipers, im assuming there designed specifically to work with a 13.6 rotor, but i wonder if there's any side effects to adapting them to work clamping a 11" rotor

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