2015+ Mustang rear components for use in Factory Five Type 65 Coupe, MK4 Roadster, ’33 Hot Rod Coupe/Pickup/Roadster in a special package! It includes both the 8.8″ IRS differential and the knuckle kit with toe bearing. Both items have a combined value of $1639 and can be yours for just $1280! Ask about the rear brake kit that goes well with this package!