Boost Valve

FIG. 1 is a front left top perspective view of a boost valve showing my new design;

FIG. 2 is a rear right bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a right side elevation view thereof.

The broken lines shown in the Figures represent portions of the boost valve that form no part of the claimed design.