CURT Threaded Trailer Idler Hub Assembly - Short, 10,000-lb. 8 on 6-1/2", 16-17-1/2" Wheel Size, 5/8" Studs, Oil Model 791401 Classic II 108 DW Cargo van accessory fits RAM Finsh:Bright Aluminum 510128htslo 20 Gallon unlike traditional roof rack

CURT Threaded Trailer Idler Hub Assembly Short, 10,000 lb. 8 on 6 1 2", 16 17 1 2" Wheel Size, 5 8" Studs, Oil Model 791401 Classic II 108 DW Cargo van accessory fits RAM Finsh:Bright Aluminum 510128htslo 20 Gallon unlike traditional roof rack Cargo van accessory fits RAM ProMaster with a 159" wheelbase 18 Mounting Location Shelf Roof Height High Yes Roof Height Low Yes Roof Height Mid Yes Wheel Base Extended Yes Wheel Base Long Yes Wheel Base Standard Yes Wheel Base Regular Yes Wheel Base Short Yes Chevrolet City Express Yes Ford E Series Yes Ford Transit Yes Ford Transit Connect Yes Ford Transit Connect 2010 2013 Yes Mercedes Metris Yes Mercedes Sprinter Yes Nissan NV Yes Nissan NV200 Yes RAM ProMaster Yes RAM ProMaster City Yes