PREHEAT oven to 350° F. Grease two 9 x 5-inch loaf pans.
SIFT flour, pumpkin pie spice, baking powder, baking soda and salt into medium bowl. Combine pumpkin, sugar, Juicy Juice, eggs, oil and vanilla extract in large bowl; stir well. Stir in flour mixture and 3/4 cup nuts just until moistened. Spoon into prepared loaf pans. Sprinkle remaining 1/4 cup nuts over top of loaves.
BAKE for 60 to 70 minutes or until wooden pick inserted in center comes out clean. Cool in pans on wire racks for 10 minutes; remove to wire racks to cool completely.