KTC "Target Plate Assemblies" are made to GM White Light specifications. They consists  of a Taget Plate, with the appropriate target pattern, Target Inserts and a mounting Angle Bracket. These items can also be purchased separately.

1) Target Plates Target Inserts

PT#FSD-41813 thru 41822.

2) Target Inserts

3) Target Plate Angle Bracket

PT# MA3426125