Upgrade your Peterbilt 386 Unibilt Ultracab with our 2.5 inch sleeper extension panels, designed for 70 inch sleepers with 8 inch spacing. Crafted from durable 304 stainless steel, these panels are available blank or with 2 P3 light holes or LED lights. The LED P3 lights come in amber with amber or clear lenses, providing enhanced visibility and safety. Sold in pairs, these extension panels are a practical and stylish addition to your truck, offering increased functionality and a sleek, modern look.