Slice eggs in half lengthwise. Remove yolks to a medium bowl. Reserve 24 white halves; finely chop remaining 4 white halves.

Mash yolks with fork. Add mayonnaise, sour cream, mustard, lemon juice, and pepper; mix well. Add chopped egg whites, bacon, cheese, and chives; mix well.

Spoon 1 heaping tablespoon yolk mixture into each reserved egg white half. Refrigerate, covered, to blend flavors.