Installation of S&S cams in 2000-2022 Sportster and 2000-2002 Buell require the separate purchase of a 1991-1999 pinion gear

S&S 482: Bolt-in cam for 2004-2022 models only. Recommended for S&S 883 to 1250 conversion kits. Best performance gains 3500-6500 rpm. Compatible with stock valve springs, hydraulic tappets and stock non-adjustable pushrods.
S&S 500: Bolt-in cams that provide excellent torque with stock or ported heads. Recommended for modified engines up to 89" displacement and 9.0:1 to 10.5:1 compression ratio. Will work in 89" to 100" engines with less than 9.0:1 compression. Normal clearancing checks recommended. 2000-6000 rpm. Works with stock valve springs, solid or hydraulic tappets and stock non-adjustable pushrods.
S&S 555: Recommended for 89"-100" engines with 9.5:1 to 11.5:1 compression ratio. Provides best performance from 3500-6500 rpm using ported stock heads or S&S heads. Works with , solid or hydraulic tappets. Requires adjustable pushrods, spring spacing or high lift valve springs, and normal clearance checks.