Luverne MegaStep 6-1/2" x 78" Aluminum Running Boards Select Silverado Sierra Ext Cab Model 575078-581444 20-1/2" W 2500 HD and 3500 HD

2500 HD and 3500 HD extended cab (see application info to verify fitment)

DOT legal for gasoline

3500 HD Crew Cab Model 415088-401445

One-piece 2" tubular steel ring assembly for maximum strength

Part number 9043-125 fits all full size trucks with an 8' bed

Luverne MegaStep 6-1/2" x 78" Aluminum Running Boards Select Silverado Sierra Ext Cab Model 575078-581444 20-1/2" W 2500 HD and 3500 HDLUVERNE MegaStep 78 Inch Premium Non Skid Aluminum Running Boards, Select Chevrolet Silverado, GMC Sierra 1500, 2500, 3500 HD Extended Cab Model 575078 581444 LUVERNE MegaStep 6 1 2" running boards are the ultimate combination of style and functionality. They have 5" wide treads that extend the full length of the side steps, and they feature a strong, lightweight aluminum core with a stainless steel trim for a bright, clean accent. MegaStep running