This is a new HEAVY DUTY SEALED MAGNET 32Amp rotor includes thick & thin spacer. 

Fits Shovel head & EVO engines also used in 18 and 22 amp systems.

This rotor will fit the splines of S&S engines and OEM Harley engines

EXCEEDS OE SPECS

Replaces OEM part number# 29956-70 and  #29957-81B

I also sell a extra heavy duty version with sealed magnets and built in spacers look in my eBay store