Next put the new fan spacer on by mounting the spacer on the pulley.
Next put the fan on make sure that you match the holes from the fan and the fan spacer
LOOSELY put the bolts on using the required hardware, or if you want, go to the hardware store and buy grade 8 hardware
Tighten the bolts down using the same X pattern you used to loosen the bolts with
Torque down with torque wrench I did mine to 25ft lbs