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  3. SPI SCSP-PS792420-PI

SPI SCSP-PS792420-PI Powder Sp Rear Gas Shock Cat Sp/efi

fits model: Efi, 580, Ext. make: Arctic, Arctic-cat. year: 1995–1997.

Scsp-ps792420-pi Spi 1995-1997 Arctic Cat Ext 580 Powder Sp/efi Snowmobile Rear Gas Shock

( Brand: Spi ), ( Manufacturer Part Number: SCSP-PS792420-PI ), ( Part Type: Powder Shock )

Review SPI Arctic Cat Powder Sp/efi Snowmobile Rear Gas Shock fits EXT EFI 580 1995–1997

The **SPI SCSP-PS792420-PI 1995-1997 Arctic Cat 580 Powder SP/EFI Rear Gas Shock** is a precision-engineered, high-performance suspension component designed exclusively for Arctic Cat s iconic 580cc snowmobile models from the mid-1990s, including the legendary Powder SP and EFI variants. This rear gas shock is a direct replacement for the original equipment, meticulously crafted to restore factory-level handling, stability, and ride quality while enhancing durability and responsiveness. Built with a robust **nitrogen-charged gas spring mechanism**, this shock ensures consistent damping performance across varying temperatures and terrain conditions, eliminating the sluggishness and bottoming-out issues often associated with aging or aftermarket shocks that lack proper gas pressure. The **high-quality steel construction** and **sealed piston assembly** provide superior resistance to corrosion, oil leakage, and wear, making it ideal for both recreational riders and those who demand reliability in extreme winter conditions. Whether tackling deep powder, navigating icy trails, or cruising on groomed runs, this shock delivers a **smoother, more controlled ride** by maintaining optimal suspension travel and reducing harsh impacts on the frame and drivetrain. Its **OEM-fitment design** ensures seamless integration with the 580 s rear suspension system, while the **adjustable rebound and compression damping** (where applicable) allows for fine-tuning to match rider preferences or specific snow conditions. For collectors, restorers, or enthusiasts seeking to preserve the performance integrity of their classic Arctic Cat, this SPI shock is an indispensable upgrade combining authenticity, engineering precision, and the durability required to withstand the demands of modern snowmobile use.

### **Pros and Cons of buying a SPI SCSP-PS792420-PI (1995 1997 Arctic Cat 580 Powder SP/EFI Rear Gas Shock)**

#### **Pros:**

1. **OEM Fitment** This shock is designed specifically for the 1995 1997 Arctic Cat 580 Powder SP/EFI, ensuring proper compatibility without modifications. It matches the factory specifications, which helps maintain ride quality and handling.

2. **Gas-Charged Suspension** The gas-charged design prevents oil from separating, providing consistent damping performance over time. This reduces sagging and improves responsiveness compared to traditional spring shocks.

3. **Durability** SPI (Sealed Power International) is a reputable manufacturer known for producing high-quality aftermarket shocks. This unit is built to last, especially if properly maintained.

4. **Improved Ride Comfort** If the original shock is worn or leaking, replacing it with this OEM-replacement part can restore a smoother ride, reducing vibrations and harshness over rough terrain.

5. **Easy Installation** Since it is a direct replacement, installation is straightforward for someone with basic mechanical skills. No major modifications to the suspension system are required.

6. **Cost-Effective Upgrade** Compared to buying a new or rebuilt OEM shock, this aftermarket part is often more affordable while still providing reliable performance.

7. **Compatibility with Modifications** If you plan to adjust the suspension (e.g., lowering or stiffening), this shock can serve as a solid base for further tuning.

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#### **Cons:**

1. **Age of the Design** The 1995 1997 Arctic Cat 580 was an older model, and the shock design reflects the suspension technology of that era. Modern shocks may offer better damping characteristics or adjustable settings.

2. **Limited Adjustability** Unlike some newer shocks, this unit does not appear to offer adjustable rebound or compression damping. If you need fine-tuning, you may require additional components (e.g., a rebound adjuster).

3. **Potential for Wear Over Time** Even a high-quality aftermarket shock will degrade with age, especially if exposed to extreme conditions (e.g., heavy use, off-roading, or neglect). Regular maintenance (e.g., checking for leaks, replacing oil) is necessary.

4. **Availability of Parts** While SPI is a well-known brand, finding replacement parts (e.g., seals, springs) for this specific shock may be difficult compared to more modern or widely used models.

5. **Possible Inconsistencies in Quality** Some aftermarket shocks, even from reputable brands, can vary in quality depending on the batch. It s wise to inspect the unit upon arrival for leaks, damage, or manufacturing defects.

6. **No Warranty on Used/Refurbished Units** If purchasing from a third-party seller (e.g., eBay, Facebook Marketplace), the shock may not come with a warranty. SPI s standard warranty may not apply if the unit has been previously used.

7. **Compatibility with Aftermarket Mods** If you ve modified the suspension (e.g., with aftermarket springs or linkages), this shock may not integrate perfectly, leading to suboptimal performance.

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### **Conclusion:**

The **SPI SCSP-PS792420-PI rear gas shock** is a solid **OEM-replacement option** for the 1995 1997 Arctic Cat 580 Powder SP/EFI, offering reliability and compatibility. It is a practical choice if you need a **direct drop-in replacement** for a worn or damaged original shock, especially if you prioritize simplicity and cost-effectiveness.

However, if you are looking for **modern advancements** (e.g., adjustable damping, improved materials, or better off-road performance), you may need to explore newer shocks or aftermarket alternatives. Additionally, if the shock has been **previously used or lacks warranty coverage**, there is a slight risk of hidden issues.

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### **Recommendation:** - **Buy it if:**

- You need a **straightforward, budget-friendly OEM replacement** for your 580 s rear shock.

- The original shock is **leaking, sagging, or damaged**, and you want to restore factory-like performance.

- You plan to **keep the suspension stock** and don t require advanced adjustability.

- You purchase from a **trusted seller** (e.g., official dealer, reputable online retailer) with a warranty.

- **Consider alternatives if:**

- You want **adjustable damping** (e.g., Fox, RockShox, or aftermarket shocks with rebound/compression adjustments).

- You plan to **modify the suspension** (e.g., lowering, stiffer springs) and need a more versatile shock.

- You prefer **newer, more durable materials** (e.g., modern gas-charged shocks with improved seals).

- You can find a **rebuilt OEM shock** (from Arctic Cat or a trusted mechanic) for better long-term reliability.

- **Inspect carefully before purchasing:**

- Check for **leaks, rust, or internal damage**.

- Ensure the **shock is fully charged** (no collapsed gas spring).

- Verify the **mounting hardware** is included or compatible.

If you proceed with this shock, **proper installation and periodic maintenance** (e.g., checking for leaks, topping off oil) will maximize its lifespan. For a more customized setup, exploring aftermarket options may be worth the investment.

Details:

1995 1997 Arctic Cat EXT 580 Powder SP/EFI Snowmobile SPI REAR GAS SHOCK: Compatibility: Snowmobile, OEM Equivalent: 0604-763. I need to exchange an item. This is helpful if you are buying multiple items.: Brand: SPI, model Number: SCSP-PS792420-PI.

Parts without fitment are to be assumed universal and may require vehicle modification. Credit or Debit Card.

part #: scspps792420 price

  • $132.58

specifications snowmobileshocksoi:

  • for models: Efi, 580, Ext
  • for makes: Arctic, Arctic-cat
  • for years: 1995-1997
  • brand: Spi
  • mpn: Scsp-ps792420-pi
  • part type: Powder Shock

general snowmobileshocksoi:

  • Parts Accessories > Snowmobile Parts > Shocks Suspension
  • condition: New

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  • started: February 1, 2026
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for models: efi, 580, ext, for makes: arctic, arctic-cat, for years: 1995-1997, part type: powder shock,
category: snowmobile parts > shocks suspension, sku: 21382068203070891,
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