Increased Oil Capacity: This cover has an increased oil capacity over stock for better performance over a longer duration.Built-in External Fins: Built-in external fins transfer heat from the oil to the outside air for maximum cooling.Magnetic Plugs: This cover incorporates a magnetic drain and deep reach fill plug to capture loose particles for maximum protection.Calibration Plug: A calibration plug is set to the factory oil level to prevent overfilling.Oil Level Sight Glass: An oil level sight glass allows quick and easy oil inspection.Fitment Note: This item fits vehicles equipped with Dana 60 front axles.Emissions Disclaimer: This product does not require a CARB EO#.When it comes to engineering for power, performance, protection and value, aFe POWER is the only choice.