Clutch Basket. Fits Big Twin 1990-1993

* 66 Teeth on Ring Gear (Re-use's Stock 9 Tooth Pinion Gear or purchase Starter Jackshaft Kit # SPY-465046)

* 37 Teeth on Clutch Sprocket

* Replaces OEM # 37707-90

Tech Tips:-

* Advanced timing can cause failure of Ring Gear or Pinion Gear teeth

& Starter Clutch