Each Polaris Ranger Crew 4 Seat Prinsu Roof Rack is designed to be completely modular and allow the customer to customize the rack to fit their needs. Each Prinsu roof rack is also designed to be form-fitting to each particular vehicle that it will mount to. Combine this functionality with special high strength aluminum alloy construction and you have the most functional, most aerodynamic, and best looking roof rack you could ever mount to your vehicle! 20