Pickup Rack Accessories Load Runner Features 2" high strength round tubing 51" width inside to inside of truss tubes fits most GM, Ford and Dodge full-size pickups full-length bed rails for 6' and 8' beds black low gloss powder coat paint easy assembly and installation centre crossbar standard removable centre and rear crossbar 2" square crossbars welded tie down cleats 750 lb. Load capacity Tool Box Envelope Rack dimensions for A (inside length) and B (inside height) are contained in the chart above. Dimensions show available area for mounting cross and side boxes. Side rail height is 5" above cross supports. Cab over extension is 47" for regular cab models and 67" for extended cab models. VEHICLE TYPE UNIT # MODEL A-DIM B-DIM Chevy/GMC/Dodge/Ford RD             Full-Size/Regular Cab Chevy/GMC/Dodge/Ford RD          Full-Size/Extended Cab Ford Super Duty             Full-Size/Regular Cab Ford Super Duty          Full-Size/Extended Cab VR8010 VR8000 VR8011 VR8001 VR8012 VR8002 VR8013 VR8003 8' Bed Fleetside 6' Bed Fleetside 8' Bed Fleetside 6' Bed Fleetside 8' Bed Fleetside 6' Bed Fleetside 8' Bed Fleetside 6' Bed Fleetside 91.5" 71.5" 91.5" 71.5" 91.5" 71.5" 91.5" 71.5" 25" 25" 25" 25" 29" 29" 29" 29" VR8020 - W21 Window Guard Use with standard Load Runner for all Chevy/GMC/Ford regular Duty Pickups. VR8021 - W21S Window Guard Use with Load Runner on Ford Super Duty only. Rugged 1.25" x 1.25", 13 guage tube frame with expanded metal screening. Offers maximum visibility through the cab window and superiorstrength due to welded, no drill design. VR0460 10'x6" Aluminum Conduit Carrier VR0462 12'x6" Aluminum Conduit Carrier .063" diamond tread aluminum conctruction. Two-piece design allows for efficient shipping and storage. Lift-up rear door features a spring assist for easy access and lockable swivel closure for security. Bolt-on plate enables access to front of carrier. IMPORTANT! - When ordering, always state MAKE, MODEL and YEAR of vehicle.