Oregon ORC12404XL Harvester Rim Drive Sprocket, .404" Chain Type_73LGX You will need a punch

You will need a punch or drill to extract old rivets to remove the damaged sprocket

21BPX and 22BPX Series Saw Chain

Replacement Cam Post for Oregon Bench Grinder

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Oregon ORC12404XL Harvester Rim Drive Sprocket, .404" Chain Type_73LGX You will need a punchOregon rim style harvester drive sprockets are made from high quality heat treated steel. These drive sprockets are specifically designed to fit the hydraulic motors on harvester machines. The new XL design comes complete with patented wear marks, so you know when the sprocket needs to be replaces