{"product_id":"heavy-duty-1-25-prop-shaft-hub-kit-for-mercury-marine-racing-8m0183487-840389k06","title":"Heavy Duty 1.25 Prop Shaft Hub Kit For Mercury Marine Racing 8M0183487 840389K06","description":"\u003ch2\u003eHeavy Duty 1.25 Prop Shaft Hub Kit for Mercury Marine Racing\u003c\/h2\u003e\u003cp\u003eA heavy-duty 1.25-inch propeller shaft hub kit that replaces Mercury Marine Racing part numbers 8M0183487 and 840389K06 to secure the propeller on high-performance outboards.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis prop shaft hub kit provides a rugged mounting solution for high-output Mercury Marine Racing outboards. The 1.25-inch hub assembly grips the propeller firmly under extreme torque and rpm conditions. Racers and serious performance boaters rely on this kit to minimize prop slip and maintain consistent thrust.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHeat-treated stainless steel hub resists deformation during hard launches\u003c\/li\u003e\n\u003cli\u003ePrecision-machined taper ensures a snug fit on the prop shaft\u003c\/li\u003e\n\u003cli\u003eThick thrust washer distributes load evenly across the propeller face\u003c\/li\u003e\n\u003cli\u003eSelf-locking nut design stays tight even under high vibration\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant finish stands up to saltwater racing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-speed offshore and circle track outboard racing\u003c\/li\u003e\n\u003cli\u003eBass boat tournament setups pushing top-end speeds\u003c\/li\u003e\n\u003cli\u003ePerformance-tuned recreational boats with modified engines\u003c\/li\u003e\n\u003cli\u003ePropeller testing and water sports demos requiring quick changes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8M0183487, 840389K06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHub, thrust washer, nut, and cotter pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeat-treated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this hub kit compatible with Mercury Marine’s standard 1.25-inch prop shaft? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit is machined for Mercury Marine Racing’s 1.25-inch shafts and matches OEM dimensions; verify your serial number if you have an early production engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I reuse the original thrust washer or propshaft nut? \u003cstrong\u003eA:\u003c\/strong\u003e The kit includes all new thrust hardware; reusing old parts may compromise the locking feature and is not recommended.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44965151866966,"sku":"ZZ3A01088","price":136.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_eda563da-f054-41b0-952d-8d0075a1633f.jpg?v=1781654507","url":"https:\/\/www.solidspare.com\/products\/heavy-duty-1-25-prop-shaft-hub-kit-for-mercury-marine-racing-8m0183487-840389k06","provider":"Solid Spare","version":"1.0","type":"link"}