These big bars for the big trucks and duallys are available in cab length, wheel to wheel and wheel to wheel with Dually kickout.   They have a non-skid aggressive tread pad and are made of Never Rust Stainless Steel with a mirror finish.  They are made 4 in. diameter.

Made of never rust stainless steel, this Boss Running Board is the Dually’s choice!   The 4 in. face matches the Dually Truck style.

Bold 4 in. rounded face with a full vinyl step area, gives the Big Look for both work and dually trucks.   Made of never rust stainless steel.

Putco Traditional Stainless Running Boards—Blurb   Made of never rust stainless steel, this Traditional Running Board design is a fantastic mix of functionality with style.

Customize the look of your truck with this 5 in. diameter heavy duty aluminum tube with a mirror finish.   Includes custom mounting bracket for each application.   Non skid aggressive tread step pad.