Includes 6 Steel Drive Lugs.
13mm or 12mm diameter with 8mm threaded hole.
Current Rotax 9-series and Viking engines use the 13mm drive lugs. Rotax 912 engines (pre-1996) use 12mm drive lugs. If you are unsure of the size you need for an older Rotax 912 engine, please call us with the engine serial number for assistance.