The Hurricane Heat Cool & Defrost unit mounts to the firewall with a custom block-off plate using the original heater mounting holes. Heater & A/C hoses pass neatly through the firewall into the engine compartment. Custom adapter are used for the factory vents and Integrated Electronic Switching operates the fan, A/C, Heat and Defrost functions. The custom condenser assembly includes mounting brackets, receiver/drier and pre-formed aluminum lines to pass neatly through the core support. Compressor included has Plain finish but upgrade for Polished or Chrome finish is available. A/C hose kit supplied may be pre-crimped or universal depending on engine application for your vehicle. Universal hose kit option will require you to fit and crimp the hoses to complete the installation.