Preheat oven to 425°F
Combine pumpkin, granulated sugar, salt, cinnamon, ginger, and cloves in a large bowl
Beat in eggs
Gradually stir in evaporated milk
Pour into unbaked pie crust
Bake at 425°F for 15 minutes
Reduce oven temperature to 350°F and bake for 40 minutes
Meanwhile, prepare streusel topping by combining butter, flour, brown sugar, granulated sugar, and cinnamon
Stir in chopped pecans
Sprinkle streusel topping over pie after 40 minutes of baking
Continue baking until a knife inserted near center comes out clean
Refrigerate leftovers