Call them what you want! Vertical Doors, Butterfly Doors, Lambo Doors, Upright Doors! This Authentic Vertical Doors 2007-UP NISSAN ALTIMA Bolt on Lambo Door Kit will enable you to easily modify your vehicle and attain the look you desire! The Kit mounts to the factory bolt pattern, making this kit a direct bolt and you have the ability to put your vehicle back to stock if you would like. Vertical Doors 2007-UP NISSAN ALTIMA Bolt on Lambo Door Kit Is Made and Patented in USA . The material used for the Lambo Door Kit is Domestic Hardened Steel. Get this kit on your vehicle today, call us at 317-856-1810.