All threaded holes in the block and cylinder head should cleaned and tapped with a thread chaser. All bolts being installed should be lubed with a light oil or anti-seize on the bolt threads before assembly.
Install pump onto bracket first using the counter sunk bolts and the smaller "A" and "B" spacers.
Next install the braket with pump onto the engine. The "D" spacer goes on the bottom.
Next install the pulley kits onto the bracket. The ribbed pulley will be installed on the top, the smooth pulley on the bottom. Torque all 10mm bolts to 28 ft. lbs. and all 8mm bolts to 18 ft. lbs.