I have following used XR parts available- they are for square back XR's :

(2) Cover Assemblies, part # 840839T, they have Zeiger steering plates installed - $125.00 ea.

(2) Lower Gear Sets, Part #43-818928A2 (15/19) - $225.00 ea

(1) Square Oil Reservoir with Cap, Level Switch and Mounting Bracket/Strap
Part #8M0075709(reservoir), 860065A1(bracket) - $45.00

(2) IMCO SC polished Cavitation Plates - $50.00 ea

Drives/parts had 40hrs on them when I removed and went with IMCO setup. All are in excellent condition.
Have pictures which I will send. Prices include shipping to US locations. Thanks

Send pics of lower gear sets to 920-475-0852 Thanks

I will take one of the cavitation plates can you send a pic also
mmtwmis@ yahoo.com

I will also take a oil reservoir

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Call me on the lower gears 765-210-1124

Steering plates still available and cavitation plates call 402-960-5268