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Start ShoppingSP1 SU-04287 Ski Shock - High-Performance Suspension for Snowmobiles
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Description
Elevate your snowmobile's performance with the SP1 SU-04287 Ski Shock, engineered for superior handling and comfort across all snow conditions. This advanced suspension system combines precision engineering with durable materials to deliver unmatched control, stability, and ride quality for serious snowmobilers.
Key Features
- Advanced Damping Technology: Optimized shock absorption for responsive control on icy and uneven terrain, reducing rider fatigue during long rides.
- Durable Aluminum Construction: High-strength aluminum body and 16mm shaft withstand extreme cold and abrasive snow conditions, ensuring long-lasting performance.
- Adjustable Compression/Rebound: Customizable damping settings let riders fine-tune their suspension for groomed trails, backcountry adventures, or racing conditions.
- Sealed Elastomer Bump Stops: Protection against moisture and debris extends service life while maintaining smooth, quiet operation.
- 5" Travel Range: Balanced suspension travel (14.5" extended, 9.5" compressed) adapts to varying snow depths and terrain obstacles.
Why Choose This Product
Whether you're conquering steep backcountry trails or cruising through groomed runs, the SP1 SU-04287 delivers unmatched reliability. Its precision-engineered design improves stability, reduces fatigue, and ensures consistent handling in freezing temperatures. The easy-to-maintain construction minimizes downtime, while the corrosion-resistant housing withstands harsh winter environments. This essential suspension upgrade is perfect for snowmobile enthusiasts seeking to maximize performance and control.
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Elevate your snowmobile's performance with the SP1 SU-04287 Ski Shock, engineered for superior handling and comfort across all snow conditions. This advanced suspension system combines precision engineering with durable materials to deliver unmatched control, stability, and ride quality for serious snowmobilers.
Key Features
- Advanced Damping Technology: Optimized shock absorption for responsive control on icy and uneven terrain, reducing rider fatigue during long rides.
- Durable Aluminum Construction: High-strength aluminum body and 16mm shaft withstand extreme cold and abrasive snow conditions, ensuring long-lasting performance.
- Adjustable Compression/Rebound: Customizable damping settings let riders fine-tune their suspension for groomed trails, backcountry adventures, or racing conditions.
- Sealed Elastomer Bump Stops: Protection against moisture and debris extends service life while maintaining smooth, quiet operation.
- 5" Travel Range: Balanced suspension travel (14.5" extended, 9.5" compressed) adapts to varying snow depths and terrain obstacles.
Why Choose This Product
Whether you're conquering steep backcountry trails or cruising through groomed runs, the SP1 SU-04287 delivers unmatched reliability. Its precision-engineered design improves stability, reduces fatigue, and ensures consistent handling in freezing temperatures. The easy-to-maintain construction minimizes downtime, while the corrosion-resistant housing withstands harsh winter environments. This essential suspension upgrade is perfect for snowmobile enthusiasts seeking to maximize performance and control.
| SKU | GM02E7029A |
|---|---|
| MPN | SU-04287 |
| UPC/GTIN | 191361200687 |
| Brand | SP1 |
| Category | Suspension |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Arctic Cat | ZR, ZR X, ZR Thunder, M, XF, XE (select models) | 2018-2025 |
| Ski-Doo | Renegade, Summit, MX Z (RAS suspension) | 2019-2025 |
| Polaris | RMK, Indy, Switchback (RYDEFX compatible) | 2020-2025 |
Frequently Asked Questions
Shocks ship with standard spring rate. Most users adjust preload and damping for their weight and riding style during install.
Sold individually - order two for a complete set. Left and right are identical.
Yes, SP1 shocks are rebuildable. Service kits available from manufacturer.
SU-04287 has 5" travel and adjustable compression/rebound. Other models may have different lengths or fixed damping.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- Socket set (14mm-17mm)
- Torque wrench
- Spring compressor
- Pry bar
Pro Tips
- Mount shock with shaft down to prevent oil foaming
- Set initial preload to rider weight
- Grease all pivot points with marine grease
Common Mistakes to Avoid
- Not bleeding air from shock
- Incorrect torque on heim joints
- Installing without greasing pivot points
Comparison vs Stock/OEM
Stock shocks have fixed damping and minimal adjustability. SP1 offers external compression/rebound adjustment and 2x shaft diameter for better fade resistance.
Improvements
- Superior high-speed damping prevents oscillation
- Adjustable for rider weight (100-300 lbs)
- Elastomer bumpers eliminate harsh bottoming
- Double-sealed for extreme cold durability
Considerations
- Higher spring rate may feel firm on low-speed trails
- Premium price vs stock replacement
Durability & Warranty
Expected Lifespan
3-5 seasons with proper maintenance
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect pivot bearings annually, rebuild every 2-3 years or 1000 hours
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