1/2 TON. Insulator kit. A kit that contains all the necessary components to mount the ABS Hydraulic Control Unit to it's mounting point. ABS Control Module Insulator. ABS Hydraulic Actuator Insulator. ABS Modulator Insulator. BRAKE PRESSURE MOD VALVE. Hydraulic Actuator. Hydraulic Assembly Hardware. Modulator. Module. mount. seal. valve bushing. Included with: ABS control unit, Control valve.