Aerodynamic Wheel Covers (set of 4) Color:Black Note: Due to the many

Note: Due to the many trailer configuration

and improving mileage

This directs air to move smoothly around the back of the trailer

Unique integrated support structure locks into place on every other I-beam under the trailer for secure and easy installation

mounting screws are not included

Aerodynamic Wheel Covers (set of 4) Color:Black Note: Due to the manyDesigned by pilots who know aerodynamics, these light weight aerodynamic wheel covers fit neatly on any 22 1 2 steel or alloy semi truck or trailer rim in minutes including super singles! The unique design of our aerodynamic wheel covers allows air to flow more smoothly, reducing wind drag, and improving mileage, saving the average truck driver $1,500 or more each year. 2. 44% increased MPG when installed on rear tractor and trailer wheels Installs in