The ornamental design for a timingcover, as shown and described.
FIG. 1 is an upper front perspective view of a timing cover showing our new design;
FIG. 2 is a lower rear perspective view of the timing cover design of FIG. 1;
FIG. 3 is a front view of the timing cover design of FIG. 1;
FIG. 4 is a rear view of the timing cover design of FIG. 1;
FIG. 5 is a first side view of the timing cover design of FIG. 1;
FIG. 6 is a second side view of the timing cover design of FIG. 1;
FIG. 7 is a top view of the timing cover design of FIG. 1; and,
FIG. 8 is a bottom view of the timing cover design of FIG. 1.
The broken lines shown in the drawings are included for the purpose of illustrating the unclaimed boundary and unclaimed portions of the timing cover. The broken lines form no part of the claimed design.