SPI Rail Brace Kit for Arctic Cat fits 2019-2020 M Alpha One Replaces 8639-290
SPI Rail Brace Kit for Arctic Cat fits 2019-2020 M Alpha One Replaces 8639-290
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SPI Rail Brace Kit for Arctic Cat
This SPI rail brace kit is a direct replacement for Arctic Cat snowmobile part 8639-290, designed to fit 2019-2020 M Alpha One models for added track rail strength.
Overview
This SPI rail brace kit reinforces the track rails on Arctic Cat M Alpha One snowmobiles from 2019-2020, replacing OEM part 8639-290. It enhances structural integrity to prevent rail flex under load, making it a crucial reinforcement for riders tackling aggressive terrain. This rail brace kit is built to withstand the demands of deep snow and mountain riding.
Built For Performance
- Made from heavy-duty steel for maximum strength
- Precision engineered to match factory bolt holes
- Includes all necessary hardware for installation
- Reduces rail twist and flex during hard acceleration
- Zinc-plated finish resists corrosion
Fits These Machines
- for Arctic Cat M Alpha One 2019
- for Arctic Cat M Alpha One 2020
On-The-Job Use
- Mountain and deep snow riding
- Trail riding with high horsepower machines
- Off-trail boondocking and climbing
- Reinforcing rails after suspension modifications
Specs At A Glance
| Part Number(s) | Replaces 8639-290 |
| Compatible Years | 2019-2020 |
| Material | Steel |
Good To Know
Q: Is installation difficult?A: Installation is straightforward with basic hand tools, and the kit includes bolts and instructions for a secure fit.
Q: Will this brace work with aftermarket skid plates?A: It is designed to fit the OEM rail profile, so compatibility with aftermarket components should be verified prior to installation.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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