| The
            Kinner B-5 was a enlarged K-5
            with the bore increased from 4.25 to 4.625 inches and stroke from 5 to
            5.25 inches.
             The U.S. Military designation for the Kinner B-5
            was the R-440. 
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                | Five cylinder, air-cooled, radial |  
                | Displacement: 441 cubic inches (7.2 liters) |  
                | Bore x stroke: 4.625 x 5.25 inches |  
             
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