Upgrade from standard IFP shocks
5-position compression adjustment knob with lockout, located on the reservoir
Allows instant compression tuning to match riding conditions
Lockout feature, allows you to lock the shock stroke, which helps keep the front end down on steep climbs
Adjustable spring preload
Uniquely calibrated valving
Designed by Arctic Cat, for Arctic Cat
Legacy of durability and signature style
Center to center extended length is 16.98" (431.29mm)
Upper and lower eyelet inside diameter is 0.57"
Comes stock on 2025-2026 M 600 & 858 Sno Pro models
Compatible with 4704-036 spring and 3603-794/3604-200 spring retainer (Sold separately)
Includes shock only - Does NOT include spring, retainer, bushings, or mounting hardware

Fits Models:

2026 HCR 858 154"
2026 HCX 858 146"
2019-2024 M 146", 154", 165"
2024-2026 M 600, 858 Catalyst 146", 154", 165"
2021-2024 Riot X 146"
(Excludes 2025-2026 400 & 2020-2026 Riot)

Country Cat is an Arctic Cat, E-Z-GO, Kawasaki, and Textron off Road dealer that opened it's doors in November 1991.  We started small and over the years have grown to become one of the largest powersports dealers in the United States.  We believe this success has been attributed to living by the motto: "Commitment to Service, Passion for Excellence."