73 87 Chevy & GMC Truck Upper Wheel Arch Set L&R 73-87-91 Chevy & GMC Right Upper Wheel Arch 73-87-91 Chevy & GMC Right Upper Wheel Arch. Fits: Chevy Trucks Blazers/Jimmys & Suburbans It measures 41 5/8" x 12". This is the panel that fits right above the wheel well over the tire.