Product Description
Fin-Nor SO421-03 Spool Assy Kit LT80
Part Number: SO421-03
Alternate Part Number: 1533582
Part Name: Spool Assembly Kit
Product Overview
Maximize the heavy-tackle performance of your spinning setup with the Fin-Nor SO421-03 Spool Assembly Kit. This genuine factory replacement part is precision-engineered specifically for the Fin-Nor Lethal LT80, the heavy-hitter of the Lethal spinning series.
Constructed from a solid block of machined aluminum, this spool provides the exceptional strength and rigidity required to target large pelagic species and bottom dwellers. It features Fin-Nor’s signature braid-ready spool band, a rubberized knurled ring that locks braided superlines directly to the spool core, preventing slippage under heavy drag without the need for monofilament backing.
As a complete "Assembly Kit," this unit arrives pre-loaded with the internal drag stack and clicker mechanism. This ensures a quick, "drop-in" installation, allowing you to restore the smooth, lock-down stopping power of your reel’s MegaDrag™ carbon fiber system immediately.
Key Features
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Genuine Fin-Nor Replacement: Exact fit for the Lethal LT80 spinning reel.
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Machined Aluminum: Durable, corrosion-resistant construction handles high drag pressures.
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Braid-Ready Design: Integrated rubber grip prevents braid slippage for solid hooksets.
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Complete Assembly: Includes pre-installed drag washers and clicker components.
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High Capacity: Deep spool design optimized for heavy line classes and long runs.
Compatible Models
This part is verified to fit the following reel model:
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Fin-Nor Lethal LT80
Schematic Reference
To confirm part fitment and view the complete assembly diagram for your reel, please consult the PDF schematics available at: www.reelschematic.com
(Note: The Lethal series includes multiple sizes (LT40, LT60, LT80, LT100). This spool is specific to the LT80 model. Please verify your reel model number before purchasing.)
Installation Notes
This spool assembly is designed for a simple, tool-free installation. Unscrew the top drag knob completely, remove the old spool, and slide the new SO421-03 unit onto the main shaft. Re-tighten the drag knob to engage the drag system. It is recommended to check line lay during the first spooling to ensure even distribution.
Equip your Fin-Nor Lethal LT80 with authentic parts for uncompromising power.

