If you're looking for a rear differential cover that offers performance engineering and protection for your axle, look no further than the AFE 46-70022. This cover is made from durable cast aluminum with reinforced ribs and a wrinkle black powder-coat finish with machined fins, ensuring maximum strength and style. It comes with all the necessary hardware and an O-ring for a leak-free seal, making installation a breeze. Plus, it features an oil level sight glass and deep reach magnetic dip stick for added protection. Fits Ford F-250/F-350-Excursion 10.25 & 10.50-12 Bolt axles.