7.5-Inch Ring Gear
Lubricant Capacities 5.0 Pints / 2.5L (a b)
a Approximate refill capacity. Axles should be filled with Premium Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A to 1/4-9/16 inch below the filler hole.
b Plus 2 ounces Friction Modifier, F3TZ-19B546-MA (WSP-M2C196-A) or equivalent meeting Ford specification for Traction-Lok limited slip applications.