Part Description
Sprocket adapter spacer 2 1/2" to 2"
Text excerpt from the catalog:
This billet aluminum spacer allows you to install rear pulleys and chain sprockets with a 2 1/2" (63.5mm) inner diameter on 1984-1999 style rear hubs with a 2" (50.8mm) register. Note that this will offset the pulley or sprocket with .236" (6mm).