1) Make sure there is no paint on the caliper where it abuts the knuckle. You want flat clean aluminum.
2) That top wear sensor looks off. I don't think it will squeal until way late.
3) My brake pads (aftermarket- Hawk) only have one wear sensor per wheel. Maybe OEM Brembos have two? If not...
Mods: GM Locking Gas Cap, RS License Plate Frame