99-06 GM Full Size Ext Cab Oval Step Bar Polish

The 99-06 GM Full Size Ext Cab Oval Step Bar Polish from WESTIN is a heavy-duty running board engineered for extended-cab Chevrolet Silverado and GMC Sierra trucks. Whether you're tackling jobsite commutes, towing daily, or simply need safer entry to your truck bed, this step bar serves as both a functional access point and a durable protective rail for your vehicle's vulnerable lower body. Extended-cab trucks demand equipment that complements their wheelbase and cab configuration, and this WESTIN design is purpose-built for that platform.

Constructed from polished stainless steel, the 99-06 GM Full Size Ext Cab Oval Step Bar resists corrosion and road salt exposure—critical for trucks exposed to harsh climates or frequent towing operations. The oval profile distributes foot pressure across a wider surface area than round tubing, reducing fatigue during repetitive bed access and improving traction in wet or muddy conditions. At 80 inches in length with a 53.3-pound construction, this step bar spans nearly the full rocker panel length, providing entry points from both driver and passenger sides while adding structural reinforcement to the frame mounting points.

Mechanics and truck owners appreciate this step bar for its straightforward installation and OEM-level fitment on 1999–2006 GM full-size extended-cab models (including Silverado 1500/2500HD and Sierra 1500/2500HD variants). The polished finish maintains its luster with minimal maintenance and complements both stock and lifted suspensions without clearance issues. Professional installers typically complete mounting in 1–2 hours using standard hand tools, with hardware secured directly to factory frame pick-up points for maximum durability under load.