In a small bowl, mix together sugar, cinnamon, ginger, and cloves. Set aside.
In a larger bowl, beat eggs and then add pumpkin, spice mixture, and evaporated milk. Mix thoroughly. Pour mixture into unbaked pie shell and bake for 15 minutes at 425°F. Reduce oven temperature to 350°F and continue baking for 45 minutes (or until knife inserted into center of pie comes out clean).
Remove from oven and cool for at least 2 hours. Serve or refrigerate. If desired, serve with ice cream or whipped topping.