Westin 1999-2016 Ford F-250/350/450/550HD Super Duty Reg Cab E-Series 3 Nerf Step Bars - SS Air Filters>Cabin Air Filters The dual rate design allows

The dual rate design allows for a softer initial rate for superb on road comfort and a firmer secondary rate that increases during compression for excellent bottoming resistance and off-road performance

especially by Bronco owners who venture into the big rocks with big tires

Black Coated Welded-On-Single Wall-Angle Cut-Rolled Edge-Intercooled tips

G8 2009-2008

Westin 1999-2016 Ford F-250/350/450/550HD Super Duty Reg Cab E-Series 3 Nerf Step Bars - SS Air Filters>Cabin Air Filters The dual rate design allowsWestin(TM) E Series Nerf Bars are made of 3in. diameter round tubing and are vehicle specific designs. Step design and mounting technique varies by application (mounting kit included). They feature recessed area mounted step pads unique to E Series Nerf Bars feature the Westin(TM) brand name and are UV resistant. Installation Instructions