Timken left crankcase main bearing set is factory assembled with correct spacer for proper end play.
Harley O.E. Part No: 24729-52
Fits: 1954-76 Sportster
Harley O.E. Part No: 24729-74
Fits: 1977-2003 Sportster
Harley O.E. Part No: 24605-07
Fits: 2004 To 2022 Sportster