A Jaguar rear axle companion flange RTC1009 good used condition and hasn't suffered any serious wear and corrosion on the seal journal like they normally do!
Comes with the pinion nut 11099 and special washer.
Aftermarket reproduction items are available for about £130.00 so if you're on a budget and want a good used genuine part for your IRS then this might be for you.
Fits a number of Jaguar models but obviously check compatibility before committing to buy.