I have the stock ford racing differential 31 spline NIB that I was going to use to convert my SRA to 31 spline along with 3.55 gears.
Differential part # AR3Z-4026-A 230 shipped
3.55 Ring and pinion asking 120 shipped
Differential part # AR3Z-4026-A 230 shipped
3.55 Ring and pinion asking 120 shipped
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