US D357171 S
FIG. 1 is a perspective view of a high performance mounting block showing a first embodiment of my new design;
FIG. 2 is a perspective view thereof with the broken line showing of straps being for illustrative purposes and forming no part of the claimed design;
FIG. 3 is a side elevational view thereof with the opposite side being identical to that shown;
FIG. 4 is a front elevational view thereof, the rear being identical to the front;
FIG. 5 is a bottom plan view; and,
FIG. 6 is a top plan view.