Arctic Cat - Heavy-Duty Rail Brace Kit - 2019-2020 M Alpha One 154 165
This is the old part number: 8639-290
Now replaced by: 8639-291
Reinforces entire mid-section of suspension rail to resist bending
This style brace was designed for competition racing and extreme riders
Half the weight and twice the strength of aftermarket billet rail braces
Black in color
Weighs 1.2-pounds per pair with rivets
Kit Includes:
3704-760 1 Right-Side Brace
3704-761 1 Left-Side Brace
1623-206 22 Huck Rivet (Long)
1623-241 10 Huck Rivet (Short)
4604-538 1 Shock Pad
2653-271 1 Instructions
Fits Models:
2019-2020 M 6000, 8000 Alpha One 154 & 165
(Note: Only fits 2019-2020 rail, if you have had your rail replaced with a 2021 rail, you will need to use 8639-291)