Liftmaster JAN41 Chain & Sprocket Kit EO-KIT-JANUS Sprocket kit for JANUS doors
PN: JAN41 (COMPLETE KIT/NEW). LiftMaster Chain & Sprocket Kit (For Liftmaster Maxum). Janus EO Dead Axle kit (Partial/NEW). We recently finished adding a Maxum EO to our roll up door. Includes Sprocket, shaft support, spacers.