PREHEAT oven to 350° F.
FOR PUMPKIN LAYER:
COMBINE pumpkin, sugar, egg and pumpkin pie spice in medium bowl; stir well. Spread over bottom of pie shell.
FOR PECAN LAYER:
COMBINE corn syrup, sugar, eggs, butter and vanilla extract in same bowl; stir in nuts. Spoon over pumpkin layer.
BAKE for 50 minutes or until knife inserted in center comes out clean. Cool on wire rack.