This Ford Racing 8.8-inch differential cover in aluminum fits 10-bolt rear axles and includes machined ports for differential cooler pickup and return. Supplied with hex-head bolts, a UNF vent plug and cooling fins, it accepts a temperature sensor and is recommended for extended high-speed or high-temperature use to help reduce gear oil temperatures in demanding conditions.
Ford Racing 8.8inch Aluminum Axle Cover with Differential Cooler Ports