PRO Guard D2 Synthetic 75W-90 Gear Oil: The supplied gear oil (4 quarts) exceeds the performance requirements of API GL-5 recommended for both open and limited slip applications.Increased Oil Capacity: This cover has an increased oil capacity over stock for better performance over a longer duration.Built-in Internal/External Fins: Built-in internal and 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: Included oil level sight glass allows quick and easy oil inspection.Fitment Note: This item fits trucks equipped with Super 8.8 rear 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.
