this is a NEW from Mitsubishi 8 1/2" 12 SPLINE DISC ONLY for many Mitsubishi tractors D2000 D2050 D2300 D2350 D2500 D2600 D2650 D3250
MT300 MT2001 MT2301 MT2201 MT2501 and more
(some models require 2 release bearings)
I will also buy your old cores back $50.00