Giant 4" Size
Heavy Duty Construction
Easy to Mount
Non-Skid Step Design
Got a big truck and have trouble getting in? Then a set of Boss nerf bars from Putco are the perfect solution. Boss nerf bars are the biggest and baddest looking side steps available.View Available Part Numbers For This Product Line
Putco uses only the best 304 stainless steel tubing for their Boss nerfs. Each tube has a massive 4" diameter, giving you a beefy look and large step area. The step pads have a non-slip surface for secure entry and exit. Putco also includes vehicle specific brackets that make mounting a breeze.
Boss nerf bars have a mirror polished finish and are backed by Putco's NeveRust guarantee, so you know they will look great for years. Other brands may make 4" nerf bars for your truck but if you want the best, Boss bars are the only way to go. Made by Putco.
Frequently Asked Questions
Putco MFG Warranty: NeveRust™ Guarantee: Putco products will not rust.
Putco warrants its stainless steel and aluminum products against defects in workmanship and materials for as long as you own your vehicle.
Black powder-coated and chrome plated products have a 90-day warranty on the finished surface. Any defects resulting from faulty material or workmanship will be warranted by Putco and repaired or replaced at our discretion. Putco assumes no extra labor costs. Damages caused by freight carriers, improper installation, misuse, collision, or neglect will not be warranted by Putco. Putco requires the original receipt for any warranty claims.
The Putco Boss 4" Nerf Bars offer an easy at home no drill installation for most models. If drilling is required, it will be noted once your vehicle is selected. For additional information see the install manual below or call us at 1-866-309-1907 or 701-253-5906.