Your cart is empty
Start ShoppingSP1 SU-04021 Ski Shock - High-Performance Suspension for Snowmobiles
Fits your
May not fit your
Description
Elevate your snowmobile's performance with the SP1 SU-04021 Ski Shock, engineered for precision control and all-weather reliability. This high-performance suspension system delivers unmatched stability, reduced rider fatigue, and responsive handling across icy trails and rugged terrain.
Key Features
- Advanced Damping Technology: Optimized shock absorption with 2.25" travel and progressive 200-300 lbs/in spring rate for enhanced stability and traction on varied snow conditions.
- Durable Aluminum Construction: High-strength aluminum body and 16mm shaft withstand extreme cold, vibration, and abrasive snow with reinforced elastomer bump stops.
- Adjustable Rebound Damping: Customizable compression settings (with rebound damping adjustment) for tailored performance to rider preferences and terrain demands.
- Sealed Internal Components: Weatherproof design protects against moisture and debris, ensuring long-lasting reliability in harsh winter environments.
- Compact Design: Lightweight 4.2 lbs per shock (pair) with 14.5" extended and 12.25" compressed lengths for seamless integration with multiple snowmobile models.
Why Choose This Product
Experience unmatched control and comfort with SP1's premium suspension system. The SU-04021 Ski Shock reduces body fatigue during long rides, improves traction on steep slopes, and maintains consistent performance through extreme weather. Its easy installation and compatibility with various snowmobile models make it a versatile upgrade for serious riders seeking enhanced handling and durability.
Delivery
Checking availability...
Estimated arrival
Order within to ship today
Orders ship
Shipping to
Enter your ZIP code for delivery estimate
Price Match Guarantee
Found it cheaper?
Log in to submit a price match request.
Price
Quantity
Free Shipping $100+
14-Day Returns
Secure Checkout
Price Match
Complete the Build
This item
$143.99
In Cart
In Cart
Elevate your snowmobile's performance with the SP1 SU-04021 Ski Shock, engineered for precision control and all-weather reliability. This high-performance suspension system delivers unmatched stability, reduced rider fatigue, and responsive handling across icy trails and rugged terrain.
Key Features
- Advanced Damping Technology: Optimized shock absorption with 2.25" travel and progressive 200-300 lbs/in spring rate for enhanced stability and traction on varied snow conditions.
- Durable Aluminum Construction: High-strength aluminum body and 16mm shaft withstand extreme cold, vibration, and abrasive snow with reinforced elastomer bump stops.
- Adjustable Rebound Damping: Customizable compression settings (with rebound damping adjustment) for tailored performance to rider preferences and terrain demands.
- Sealed Internal Components: Weatherproof design protects against moisture and debris, ensuring long-lasting reliability in harsh winter environments.
- Compact Design: Lightweight 4.2 lbs per shock (pair) with 14.5" extended and 12.25" compressed lengths for seamless integration with multiple snowmobile models.
Why Choose This Product
Experience unmatched control and comfort with SP1's premium suspension system. The SU-04021 Ski Shock reduces body fatigue during long rides, improves traction on steep slopes, and maintains consistent performance through extreme weather. Its easy installation and compatibility with various snowmobile models make it a versatile upgrade for serious riders seeking enhanced handling and durability.
| SKU | GM8767C8C8 |
|---|---|
| MPN | SU-04021 |
| UPC/GTIN | 191361200359 |
| Brand | SP1 |
| Category | Suspension |
0.0
0 reviews
0
Log in to write a review.
Reviews
No reviews yet. Be the first to review this product!
Featured Review
| Make | Model | Years |
|---|---|---|
| Ski-Doo | Renegade X / Adrenaline | 2018-2024 |
| Ski-Doo | Summit / Freeride | 2019-2025 |
| Arctic Cat | ZR / Thundercat | 2020-2024 |
| Polaris | RMK / Switchback | 2017-2023 |
Frequently Asked Questions
Yes, SU-04021 is direct fit for 2018-2024 Renegade models including X and Adrenaline trims.
Yes, SP1 shocks can be serviced with rebuild kits available from SP1 Off-Road.
Standard 200-300 lb progressive rate fits most riders 150-250 lbs. Heavier riders may want custom valving.
SU-04021 fits Ski-Doo/Polaris standard spindle width. SU-04022 is for wider aftermarket A-arms.
Yes, but for balanced handling, pair with SP1 rear shock like TU-03001.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- Socket set (14mm-17mm)
- Torque wrench
- Spring compressor
- Pry bar
Pro Tips
- Bleed air from shocks before install
- Apply dielectric grease to shaft for smooth operation
- Check spindle bearings while shocks are off
Common Mistakes to Avoid
- Not compressing spring fully before removal
- Incorrect torque on spindle bolts (spec: 25-30 ft-lbs)
Comparison vs Stock/OEM
Much stiffer spring rate and better damping than OEM shocks which are tuned for comfort over performance
Improvements
- 50% more ski stiffness reduces washout in corners
- Adjustable rebound prevents packing in chop
- 2x durability in abusive conditions
Considerations
- Harsher ride on hardpack
- Requires proper sag setup (25-30% of travel)
Durability & Warranty
Expected Lifespan
3-5 seasons heavy use, 5+ seasons recreational
Warranty
1 year manufacturer defect warranty
Maintenance
Clean shafts after every 20 hours, full service every 100 hours or annually
What Others Are Saying
Reviews from across the web
