Bolt-in Reaper cams for Sportsters producing a wide power band in stock engines, a great way to take a Sporty to a hot new level of performance Can be used with stock pushrods and valve springs, Feuling recommends matching new camshafts with new lifters but not required (RPM range 2,100 - 6,800+) Will fit 1991-99 XL models provided a 2000-14 pinion gear is used