This video goes over the steps and modifications needed to fit a Cusco differential into our Subaru R160 rear diff for our rally car! This is a fairly straightforward process that can be accomplished over an afternoon with basic tools and measuring equipment, along with a small grinding tool or dremel to make clearance for the larger diff.

For information on setting up the cusco diff and clutch plates and installing the ring gear, please see the dedicated video for that on the channel!