AMI 6047GKL Race Style Billet Fuel Door 6 1/2'' Ring O.D. 4 1/2'' Door O.D.-Gloss Black Ring and locking door, 1 Pack Made in the USA Everything is made from top quality raw materials like aerospace-grade 6061-T6 Aluminum or stainless steel. We manufacture quality products that are tested to meet the rigorous demands of vehicle exteriors/interiors while delivering the supreme styling demands of automotive enthusiasts.