Mercury – Flo-Torq II Solid Propeller Hub Kit | Performance Prop System | Stainless Steel | 835258K1

Overview

The Mercury 835258K1 Flo-Torq II Solid Hub Kit is built for high-performance boating and racing applications where reliability and precision matter most. Designed for use with Chopper, Cleaver, Lightning ET, Pro ET, and older Bravo One (with MerCruiser logo) propellers, this solid hub system ensures maximum power transfer and drivetrain protection. Every piece is engineered by Mercury Marine, a brand trusted by performance boaters worldwide for its unmatched strength and durability.

Key Features

• Purpose: Transfers full engine power to the prop while shielding your lower unit from sudden impact loads.
• Material: Features a stainless steel drive sleeve and corrosion-resistant hardware built to handle high torque and harsh marine conditions.
• Performance: Ideal for high-speed applications—offers crisp acceleration, consistent thrust, and minimal prop slip.
• Design: Solid, precision-fit setup that keeps propeller alignment tight and efficient under heavy load.
• Ease of Use/Install: Comes as a complete 5-piece kit that installs easily with standard tools and includes everything needed for a proper fit.

Compatibility

• Propeller Types: Chopper | Cleaver | Lightning ET | Pro ET | Older Bravo One (MerCruiser logo)
• Kit Includes:
• Thrust washer
• 3-7/8" stainless steel drive sleeve
• Splined adapter
• Tab washer
• Prop nut

Performance & Real-World Benefits

This solid hub kit is made for serious boaters who push their rigs hard. It delivers instant throttle response, firm gear engagement, and reliable torque delivery without flex or slippage. Whether you’re running a tournament bass boat or a performance hull, the 835258K1 helps your prop perform at its best while keeping your drivetrain protected from sudden impact.

Why Choose OEM

When you run Mercury Marine OEM parts, you’re using components designed by the same engineers who built your motor and drive. They’re precision-tested for fit, load balance, and corrosion resistance, ensuring the reliability you can’t always count on with aftermarket parts. OEM means better performance, longer life, and complete peace of mind every time you hit the throttle.

FAQ

Q1: What’s the difference between a solid hub and a standard Flo-Torq II?
A solid hub is built for high-performance applications, transferring power more directly for faster response.

Q2: Which props does this hub work with?
It’s designed for Chopper, Cleaver, Lightning ET, Pro ET, and older Bravo One props with the MerCruiser logo.

Q3: What comes in the box?
The kit includes a thrust washer, stainless drive sleeve, splined adapter, tab washer, and prop nut.

Q4: Can I install it myself?
Yes, installation is straightforward with basic hand tools—just follow your prop manual for torque specs.

Q5: Why shouldn’t I run the engine without all the prop hardware installed?
Missing or loose hardware can cause prop vibration or damage your propeller shaft—always install the full kit securely.