Champion Outboard Michigan Wheel Prop Propeller P-90 152019 46-53 P90 8 X 5 1/2" Valve Covers this would have been found

this would have been found primarily on 1983-1985ish models

Sierra 18-1997-1

Cover Retaining Ring Upper (Small) 53-23720

NOTE: Two different sets of pinion and propeller gears were used on Mark 78 engines

I am unsure of the exact part number on this

Champion Outboard Michigan Wheel Prop Propeller P-90 152019 46-53 P90 8 X 5 1/2" Valve Covers this would have been foundPropeller Details Manufacturer: Michigan Wheel made for Champion Manufacturer Part Number: P 90 p90 Equivalent Part Number: N A Specifics: 8" X 5. 5" 8" X 5 1 2" Aluminum Propeller Splines: 0 (Pin Drive) General Applications (the stuff listed below and possibly others If unsure, please ask): 4. 2hp 1946 1953 Other Information Please inspect pictures closely to get a good idea of condition. I try to take pictures of all the blades and any specific