Description The bleeder screws provide trouble-free bleeding and a positive seal The Banjo bolts and copper washers are included for a perfect seal (where applicable) Rear parking brake hardware is installed and lubricated where applicable 100% pressure tested to guarantee proper function under all driving conditions Pre-lubricated guide bolts on mounting brackets save installation time and prevent seizing Electrostatic Powder Paint Resists Corrosion Premium Silicone Lubrication For Smooth Operation .