This is an authentic Rolls-Royce and Bentley RH3156 Kit ACU CFC Free Retrofit that comes with a 1-year manufacturer warranty. It is a custom bundle that contains refrigerant fittings and o-ring seals made from high-quality materials. The AC CFC Free Retrofit Kit is designed for the engine compartment and is suitable for black-colored cars. This product is not a vintage or modified item, and it is not a performance part. The RH3156 Kit is an OE/OEM part number that is specifically manufactured for Rolls-Royce and Bentley cars. This product is not universal fitment, but it is compatible with most car and truck brands. If you're looking for an air conditioning and heating part, then this genuine Bentley product is the perfect solution for you.