AA-Racks Universal Van Roof Ladder Rack Adjustable Rooftop Cargo Luggage Carrier Rack Ford Dodge Chevy - (X316)No Drilling required for Installation Compatible to most van rain gutters; it's easy to put on or take off This rack is high profile van roof rack; it's designed for older generation van with medium height rooftop Adjustable from 35" to 66", It has a gutter to rooftop clearance of 6. 5" Made of heavy duty steel construction (No. 13 Gauge Steel), Provides 500 lb Max loading capacity for 2 bars Fits on vans with rain gutters: Ford, Chevy, Dodge and GMC