Product Overview
Sun Gear (w/ Reduced 52mm Bearing ID) (except Hi Helix) (07-Up) (121612AA)
Sun Gear (w/o Washer Recess) (1st Design) (00-01) (121610) (29537433)
Sun Gear (41mm Wide w/ Raised Spacer Surface) (1st Design) (00-04) (121612) (29536960)
Ring Gear (2.150" Wide) (except Hi Helix) (00-05) (121590)
Sun Gear (1000 Large Diameter w/ 44mm Bearing Bore) (00-02) (121614) (29539543)
Sun Gear (1000 Large Diameter w/ 54mm Bearing Bore) (except Hi Helix) (02-Up) (121614A)