This cover is constructed from high-strength A356 cast aluminum and features machined fins for maximum strength and styling. The black powder coat helps protect it from the outside conditions providing both longevity and style. Increased oil capacity of approximately 1.46 quart over stock for better performance over a longer duration. Built-in internal and external fins transfer heat from the oil to the outside air for maximum cooling. Incorporates a magnetic drain plug to capture loose particles for maximum protection. Includes a precisely positioned oil-level plug that automatically prevents overfilling as well as eliminating guesswork and ensuring your axle is serviced correctly every time. Includes a positioned oil-level sight glass that ensures the oil level is correct as well as checking the condition of the oil life. Includes a Magnetic Deep-Reach fill plug captures loose particles from your differential fluid to provide maximum protection. Comes complete with high-quality stainless-steel hardware for durable, corrosion-resistant, and hassle-free installation.