This is an OEM Main Bearing and Seal kit for the 04-05 TRX450R Honda
This Kit includes:
-OEM Main Bearings (Left and Right Sides)
-91001-HP1-671
-91008-HP1-672
-OEM Main Seals (Left and Right Sides)*
-91201-HP1-671
-91202-HP1-671(small id) or 91202-HP1-672(large id)
*Right side seal has a small and a large I.D. depending on if you have an updated collar or not.