Upgrade your Peterbilt’s interior with this Black Billet Door Threshold Kit, designed for durability, style, and function. Crafted from solid billet aluminum, these threshold plates feature a pyramid-cut diamond pattern for a premium, non-slip surface, ensuring both a sleek aesthetic and enhanced safety. Features: • High-Quality Construction – Made from precision-machined billet aluminum for maximum durability. • Sleek Black Finish – Anodized black coating with polished diamond-cut details for a modern, custom look. • Non-Slip Surface – Provides additional grip and safety when entering or exiting the cab. • Direct Replacement – Easily installs in place of factory door sills with a perfect fit. • Complete Set – Includes both driver and passenger side sills for a full interior upgrade. • Fits Peterbilt Models (2008-Present) – Engineered to be compatible with a range of Peterbilt trucks.