Mix sugar, salt, cinnamon and allspice in small bowl. Beat eggs in large bowl; stir in bourbon sauce, pumpkin and sugar-spice mixture. Gradually stir in evaporated milk. Pour into pie shell. Bake in preheated 425° oven for 15 minutes. Reduce temperature to 350°; bake 40-50 minutes or until knife inserted near center comes out clean. Cool on wire rack for 2 hours. Pie can be baked 1 day ahead and chilled. Bring to room temperature before serving.