Use 23985-12 key  for flywheel side and use 23985-54 key  for pinion gear side

Fits most models with the stock exhaust crossover (interconnect) tube (balance pipe)

and one o-ring for the primary magnetic drain plug

Fits mounting studs on most solo seats

Deploy the concealed heel rest and now you have the added fatigue-fighting comfort of the famous Kuryakyn ISO-Stirrups

SPROCKET & PULLEY SPACER 1/4" OFFSET (7/16 HOLES) Beltskydd/Beltguard Use 23985-12 key for flywheelSpecial aluminum spacers for wheels sprockets & pulleys. 1 4" thick (6. 35mm) 7 16" mounting hole diameter 50mm center Fits: > Up to 1999 models (excl Twin Cam) in custom applications