Insert for Engine Block

FIG. 1 is a top, front perspective view of an insert for engine block according to our design;

FIG. 2 is a front elevational view thereof, a rear elevational view thereof being a mirror image of the front elevational view, and left and right elevational views thereof being the same as the front and rear elevational views, respectively;

FIG. 3 is a top plan view thereof, a bottom plan view thereof being a mirror image of the top plan view;

FIG. 4 is a cross-sectional view along line 4 - 4 of FIG. 3 , a cross-sectional view opposite the cross-sectional view along the line 4 - 4 being a mirror image thereof; and,

FIG. 5 is an enlarged cross-sectional view of the portion identified by the broken-line circle in FIG. 4 .

The broken lines in FIGS. 3 - 5 represent either cross-sectional or enlargement identifiers and form no part of the claimed design.