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Start ShoppingSP1 SU-04072 Ski Shock - Adjustable Suspension for Snowmobiles | High-Performance Winter Riding
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Description
Elevate your snowmobile's performance with the SP1 SU-04072 Ski Shock, engineered for precise suspension control and unmatched stability across challenging winter terrain. With 7 inches of travel and adjustable damping, this premium suspension system transforms your ride into a smoother, more confident experience on snow-covered trails.
Key Features
- Durable Aluminum Construction: High-strength aluminum body and triple-sealed cartridge withstand harsh winter environments and prolonged use.
- Adjustable Damping System: Fine-tune compression (150-350 lbs/in spring rate) and rebound settings for customized performance on groomed trails or rugged backcountry.
- Weatherproof Sealed Seals: Triple-sealed design prevents moisture ingress, ensuring long-lasting reliability in extreme cold.
- Universal Compatibility: Designed for seamless integration with major snowmobile models for optimal ride quality and handling.
Why Choose This Product
The SP1 SU-04072 Ski Shock combines advanced engineering with rider-focused design to deliver enhanced control, reduced fatigue, and improved handling. Its 4.2 lbs lightweight construction and 15.5" extended length provide responsive performance without compromising durability. Whether you're tackling groomed trails or rugged backcountry, this suspension system offers the confidence and comfort needed for an exceptional winter riding experience. The adjustable valving system allows customization for different terrains, ensuring optimal performance in any condition.
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Elevate your snowmobile's performance with the SP1 SU-04072 Ski Shock, engineered for precise suspension control and unmatched stability across challenging winter terrain. With 7 inches of travel and adjustable damping, this premium suspension system transforms your ride into a smoother, more confident experience on snow-covered trails.
Key Features
- Durable Aluminum Construction: High-strength aluminum body and triple-sealed cartridge withstand harsh winter environments and prolonged use.
- Adjustable Damping System: Fine-tune compression (150-350 lbs/in spring rate) and rebound settings for customized performance on groomed trails or rugged backcountry.
- Weatherproof Sealed Seals: Triple-sealed design prevents moisture ingress, ensuring long-lasting reliability in extreme cold.
- Universal Compatibility: Designed for seamless integration with major snowmobile models for optimal ride quality and handling.
Why Choose This Product
The SP1 SU-04072 Ski Shock combines advanced engineering with rider-focused design to deliver enhanced control, reduced fatigue, and improved handling. Its 4.2 lbs lightweight construction and 15.5" extended length provide responsive performance without compromising durability. Whether you're tackling groomed trails or rugged backcountry, this suspension system offers the confidence and comfort needed for an exceptional winter riding experience. The adjustable valving system allows customization for different terrains, ensuring optimal performance in any condition.
| SKU | GM777631CF |
|---|---|
| MPN | SU-04072 |
| UPC/GTIN | 191361200519 |
| Brand | SP1 |
| Category | Suspension |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Ski-Doo | Renegade X | 2018-2024 |
| Ski-Doo | Summit | 2018-2024 |
| Arctic Cat | ZR Thundercat | 2019-2024 |
| Arctic Cat | M Series | 2019-2024 |
Frequently Asked Questions
SP1 recommends 250-275 lbs/in for 180-220lb riders with gear. Call SP1 with your exact weight/setup for custom recommendation.
Yes, confirmed fitment for 2018-2024 Summit models as rear ski shock.
Yes, SP1 offers rebuild kits and service. Typically rebuild every 100-150 hours of riding.
SU-04072 has updated valving for 2020+ models and 16mm shaft vs 14mm on older version.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- Socket set (14mm-19mm)
- Torque wrench
- Spring compressor
- Pry bar
Pro Tips
- Match spring rate to rider weight + gear
- Apply anti-seize to all pivot points
- Set initial sag to 1/3 of total travel
Common Mistakes to Avoid
- Not compressing spring fully before removal
- Incorrect torque on heim joints (45-50 ft-lbs)
- Failing to bleed air from shock
Comparison vs Stock/OEM
Much more tunable than OEM shocks with no external reservoir needed
Improvements
- 50% more damping adjustment range
- Prevents ski blowouts at high speeds
- 25% lighter than stock
- Better fade resistance in cold temps
Considerations
- Higher initial cost
- Requires setup for optimal performance
Durability & Warranty
Expected Lifespan
200-300 riding hours before rebuild
Warranty
1 year limited manufacturer warranty
Maintenance
Check nitrogen pressure yearly, grease heim joints every 20 hours, rebuild every 150 hours
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