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  3. SPI SP-2722-245574

SPI SP-2722-245574 Gas Shock Rear Cat

fits model: Zr, 500. make: Arctic, Arctic-cat. year: 1998–2001.

Sp-2722-245574 Spi Snowmobile Gas Shock Arctic Cat Zr 500 1998-2001 - Rear

( Brand: Spi ), ( Manufacturer Part Number: SP-2722-245574 ), ( Part Type: Shock )

Review SPI Snowmobile Gas Shock Arctic Cat Rear fits ZR 500 1998–2001

The **SPI SP-2722-245574 Gas Shock** is a high-performance, factory-spec replacement rear suspension component meticulously engineered to restore the original handling, comfort, and durability of an **Arctic Cat ZR 500** (1998 2001) to its peak condition. Designed to replicate the precision of the OEM shock absorber, this gas-charged unit features a robust **nitrogen-charged gas spring** that maintains consistent damping performance across varying temperatures, eliminating the sluggishness and bottoming-out issues often associated with air-filled shocks. The shock s **dual-tube construction** ensures efficient heat dissipation, preventing oil breakdown and preserving smooth, responsive operation even during aggressive riding or prolonged off-road excursions. With a **durable chrome-plated rod** and a **sealed, corrosion-resistant body**, this shock is built to withstand the rigors of heavy-duty use, from rough trails to high-speed descents, while maintaining a tight, stable ride. The **adjustable rebound and compression damping** allows for fine-tuning suspension stiffness to match rider weight, terrain preferences, and load conditions, ensuring optimal traction, control, and rider comfort. Whether you're tackling technical singletrack, carving through rocky descents, or cruising on paved roads, this SPI shock delivers the **factory-level performance** you d expect from Arctic Cat s legendary ZR 500, now with the added reliability and longevity of a premium aftermarket upgrade. Perfect for restomod enthusiasts, performance tuners, or anyone seeking to revive their bike s original suspension character, this shock is a direct, drop-in replacement that seamlessly integrates with the ZR 500 s rear linkage, ensuring a perfect fit and immediate improvement in ride quality.

### **Pros and Cons of buying a SPI SP-2722-245574 Gas Shock for Arctic Cat ZR 500 (1998-2001) Rear**

#### **Pros:**

1. **OEM Compatibility** This is an original equipment (OEM) or high-quality aftermarket replacement designed specifically for the Arctic Cat ZR 500 (1998-2001) rear suspension. It ensures proper fitment and functionality without modifications.

2. **Gas Spring Design** Gas shocks are more durable than traditional coil or hydraulic shocks, as they use pressurized nitrogen to maintain consistent performance in varying temperatures and conditions. This reduces sagging and improves ride stability.

3. **Reliability** SPI (Shock Parts International) is a reputable manufacturer known for producing high-quality suspension components. Their shocks are built to last, reducing the likelihood of premature failure.

4. **Improved Ride Quality** A properly functioning rear shock enhances comfort, reduces bounce, and improves handling, especially on rough terrain or during aggressive riding.

5. **Easy Installation** As an OEM replacement, it should fit directly onto the existing mounting points without requiring extensive modifications, making it a straightforward upgrade.

6. **Cost-Effective Upgrade** Compared to full suspension rebuilds or new suspension systems, replacing just the rear shock is a budget-friendly way to restore performance and safety.

7. **Compatibility with Other Mods** If you ve made other suspension or performance modifications (e.g., lowered springs, upgraded linkages), this shock can complement those changes for a balanced setup.

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#### **Cons:**

1. **Age of the Bike** The Arctic Cat ZR 500 (1998-2001) is an older model, and while the shock itself may be reliable, other components (e.g., linkages, bushings, or frame) could be worn out. Replacing just the shock may not fully restore the suspension s performance if other parts are degraded.

2. **Potential for Leaks or Wear** Gas shocks can develop leaks over time, especially if the bike has been ridden hard or stored improperly. Inspect the shock for signs of oil leaks, rust, or internal corrosion before purchasing.

3. **Limited Customization** Unlike adjustable shocks, this is a fixed-rate shock. If you prefer adjustable damping (e.g., for different riding styles or terrain), you may need to look for a more advanced aftermarket option.

4. **Availability of Parts** While SPI is a well-known brand, finding replacement parts for this specific shock in the future may be more difficult than for newer bikes. Always check stock levels before buying.

5. **Installation Skill Required** While straightforward, improper installation (e.g., incorrect torque on bolts, misalignment) can lead to premature wear or even damage to the suspension. If you re not comfortable with mechanical work, professional installation is recommended.

6. **Cost Relative to New Suspension** If the bike s suspension is severely worn, replacing just the shock may not be the most cost-effective long-term solution. In some cases, a full suspension rebuild or upgrade might be worth considering.

7. **Compatibility with Aftermarket Mods** If you ve modified the bike s geometry (e.g., lowered the frame, changed the swingarm), the stock shock may not perform optimally. Ensure the shock is suitable for your specific setup.

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### **Conclusion:**

The **SPI SP-2722-245574 gas shock** is a solid OEM replacement for the Arctic Cat ZR 500 s rear suspension, offering improved reliability, ride quality, and durability. It s a practical choice if your primary goal is to restore the stock suspension s performance without a full rebuild. However, if the bike has extensive wear elsewhere or you plan to heavily modify it, you may need to consider additional upgrades.

This shock is particularly well-suited for riders who:

- Want a straightforward, high-quality replacement for a failing stock shock.

- Prioritize durability and ease of installation.

- Don t require adjustable damping but still want better suspension performance.

If the shock appears to be in good condition (no leaks, proper pressure, minimal rust), it s a **recommended purchase** for restoring or maintaining the ZR 500 s rear suspension. Always inspect it thoroughly before buying and consider pairing it with other necessary maintenance (e.g., checking linkages, bushings, and frame condition).

For long-term performance, pair this upgrade with regular suspension maintenance and ensure the rest of the bike s suspension components are in good working order.

Details:

SPI Snowmobile Gas Shock Arctic Cat ZR 500 1998 2001 - REAR: : One : Retype: Gas length Open: 16-5/8in. length Closed: 11in.Eye Diameter Body: 10mmEye Shaft: 10mmOEM Replacement: 0704-468, Actual Contents May Vary From Photo, Sold Individually, Middle, Mid, or Forward Track shock is referenced as Center, Aft most Rear, shocks are designed to work with original equipment bushings, springs and collars. Parts without fitment are to be assumed universal and may require vehicle modification. Arctic Cat ZR 440 Snore 1998 -2000. I need to exchange an item.

This is helpful if you are buying multiple items. Arctic Cat Cougar 550 Mountain 1998.: Brand: SPI, model Number: SP-2722-245574.

part #: sp2722245574 price

  • $122.24

specifications snowmobileshocksoi:

  • for models: Zr, 500
  • for makes: Arctic, Arctic-cat
  • for years: 1998-2001
  • brand: Spi
  • mpn: Sp-2722-245574
  • part type: Shock

shipping snowmobileshocksoi:

  • cost: $0.00
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  • service: Standard
  • transit: 2-7 Days
  • type: Fixed

offer snowmobileshocksoi:

  • options: Ship-to-home
  • started: May 19, 2026
  • availability: In Stock
  • sold: 0
  • quantity: 3

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

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for models: zr, 500, for makes: arctic, arctic-cat, for years: 1998-2001, part type: shock,
category: snowmobile parts > shocks suspension, sku: 22433999665582602,
Spi SP-2722-245574 Is Similar To:
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1 offer $122.24 USD
  • New. Offer #1 priced at $122.24 + $0.00 shipping estimate = $122.24* total. Arctic Cat Cougar 550 (1998). SPI Shock Absorber.FREE SHIPPING

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