It's dark out right now but I'll check this thread tomorrow and if you don't have the part number I'll go look at my ultimax, it's for a pro-x 600 though which I think is the same as the 800's anyways.
I just wanted to say i find ultimax isn't the same quality or durabilty as a oem belt. I get much much longer mileage out of the oem and would rather pay the bit extra to know i won't be changing a belt in the middle of a field when its cold as hell.
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