Haley OE Part Num: 45739-62B Fits: 1957-70 Sportster 33.4mm
Haley OE Part Num: 45738-73 Polished Fits: 1973-E87 Sportster 35mm
Haley OE Part Num: 45736-78B Chrome Fits: 1973-E87 Sportster 35mm
Haley OE Part Num: 45739-87 Fits: L1987-2003 Sportster 39mm
Haley OE Part Num: 45966-04 Fits: 2004-16 Sportster 39mm
Haley OE Part Num: 46009-10 Fits: 2010-Present Sportster "48"39mm