Mercury MerCruiser Flo-Torq SSR HD Hub 8M0101601
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Mercury MerCruiser Flo-Torq SSR HD Hub Kit – 8M0101601
Upgrade your propeller system with the Mercury Flo-Torq SSR HD Hub Kit (8M0101601). This genuine Mercury hub kit features Soft-Shift Rubber (SSR) technology designed to reduce shift shock and minimize the harsh clunk often felt when shifting into gear. The heavy-duty (HD) hub construction provides increased durability for high-torque applications while maintaining smooth and efficient power transfer from the engine to the propeller.
Engineered for demanding marine environments, the Flo-Torq SSR HD hub system improves shifting performance, reduces drivetrain noise, and helps protect the propeller and gearcase during aggressive acceleration or heavy loads.
Key Features
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Genuine Mercury Marine OEM Flo-Torq SSR HD hub kit
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Soft-Shift Rubber (SSR) reduces shift clunk and drivetrain vibration
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Heavy-duty hub construction designed for high-torque engines
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Improves shifting smoothness and reduces gear engagement shock
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Modular Flo-Torq system allows quick propeller installation and service
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Designed for large-shaft Mercury outboards and high-performance applications
Part Details
OEM Part Number: 8M0101601
Product Type: Propeller hub kit
Hub System: Flo-Torq SSR HD (Soft-Shift Rubber Heavy Duty)
Prop Shaft Size: 1.25" prop shaft / 19 spline
Compatible Mercury Engines
Commonly used with large-shaft Mercury outboards equipped with a 1.25" propeller shaft, including engines such as:
Mercury Pro XS Outboards
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Mercury 225 Pro XS
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Mercury 250 Pro XS
Mercury V8 FourStroke Outboards
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Mercury 250HP V8 FourStroke
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Mercury 300HP V8 FourStroke
Mercury Verado Outboards
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Mercury 300 Verado
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Mercury 350 Verado
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Mercury 400R Verado
Exact compatibility may vary depending on gearcase type and propeller model.
Function
The Flo-Torq SSR HD hub system connects the propeller to the engine’s prop shaft while absorbing shift shock. The rubber isolation sleeve softens gear engagement, reducing noise and vibration during shifting while the heavy-duty hub maintains efficient power transfer under load.
This system helps protect the propeller hub, prop shaft, and gearcase components from excessive stress during shifting and acceleration.
Important Compatibility Note
Propeller hubs vary depending on engine model, prop shaft size, gearcase type, and propeller design. Always verify compatibility using the engine serial number before ordering to ensure the correct hub kit.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.