Polaris 2884974 - One (1) Rear Torsion Spring Kit - 129/137 - Heavy Duty Provides enhanced stiffness over stock springs Includes front & rear track springs Fits: ALL MATRYX/AXYS 129 AND 137 SNOWMOBILES Feel the unique rhythm of every trail with this Heavy Duty Spring Kit. These heavy duty springs deliver supreme performance in all conditions and are engineered specifically for passenger riding or heavier riders. Polaris 2884974 Heavy Duty Rear Torsion Spring Kit Matryx Axys 129 137. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed.
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