Standard tappet assembly includes roller assembly installed.
Harley OE Part Num: 18508-52
Fits: 1957-85 Ironhead Sportster
Harley OE Part Num: 18523-86
Fits: 1986-1990 4 Speed Evo Sportster
Fits: 1991-99 5 Speed Evo Sportster
Fits: 2000-22 Sportster
Oversize solid tappets can be only used with adjustable pushrods.
Please contact us with fitment questions