SPORTS PARTS INC 6429-S466699-39 Spi Rear Gas Suspension Cat Shock

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 6429-S466699-39 ), ( Part Type: Suspension Shock )

Review SPORTS PARTS INC Spi Rear Gas Suspension Shock Arctic Cat Snowmobile fits ZRT 600 1998–2000

The **6429-S466699-39 SPI Rear Gas Suspension Shock** is a high-performance, factory-spec replacement shock absorber meticulously engineered to restore and enhance the handling, comfort, and off-road capability of the **1998-2000 Arctic Cat ZRT 600** ATV. Designed with **SPI (Special Performance Industries) precision**, this rear gas-charged shock delivers a seamless blend of durability, responsiveness, and ride quality, ensuring optimal performance whether tackling rugged trails, navigating tight turns, or cruising on paved roads. The shock features a **high-quality, nitrogen-charged gas spring system**, which eliminates air bubbles and maintains consistent pressure under extreme conditions, preventing sagging and ensuring a firm, predictable ride. Its **adjustable rebound and compression damping** allows riders to fine-tune the shock s performance to match their weight, terrain preferences, and riding style whether seeking a softer, plush feel for long-distance comfort or a firmer setup for aggressive off-roading. Constructed from **heat-treated, corrosion-resistant steel**, the shock s body and internal components are built to withstand the harshest environments, including moisture, dust, and temperature fluctuations, ensuring long-term reliability without compromising performance. The **O-ring sealed piston and robust valve system** further enhances durability, reducing internal wear and extending the shock s lifespan while maintaining smooth operation. Whether you re a seasoned trail rider pushing the limits of your ZRT 600 or an enthusiast looking to upgrade for improved control and stability, this SPI shock provides the perfect balance of **factory-like performance and aftermarket refinement**. With its **direct drop-in compatibility**, installation is straightforward, requiring minimal effort to restore your ATV s suspension to its original specifications or better. Trusted by off-road professionals and ATV purists alike, this shock is a game-changer for anyone seeking to elevate their ride s responsiveness, handling, and overall enjoyment.

### **Pros and Cons of buying a OEM Arctic Cat ZRT 600 Rear Gas Shock (Part # 6429-S466699-39 SPI)**

1. **Direct Fitment** This is the genuine OEM shock for the 1998 2000 Arctic Cat ZRT 600, ensuring perfect compatibility without modifications. No need for adapters or adjustments.

2. **Reliability** Being an original equipment part, it is built to the same high standards as the shocks that came with the bike, reducing the risk of premature failure.

3. **Performance Match** The gas-charged suspension is designed to work seamlessly with the ZRT 600 s suspension system, providing consistent damping and ride quality.

4. **Durability** Gas shocks are less prone to oil leakage and maintain performance better over time compared to traditional oil-only shocks, especially in off-road conditions.

5. **Warranty Coverage** If purchased from an authorized dealer or Arctic Cat-approved seller, it may come with a warranty, offering protection against defects.

6. **Resale Value** Keeping the bike stock with OEM parts can help maintain its value if you decide to sell it later.

7. **No Tuning Needed** Unlike aftermarket shocks, you won t need to adjust sag or rebound settings, as it matches the factory specifications.

1. **Cost** OEM shocks are typically more expensive than aftermarket alternatives, which may not always offer significantly different performance.

2. **Limited Customization** If you want adjustable damping or different rebound settings, aftermarket shocks may provide more flexibility.

3. **Potential Age-Related Wear** If the shock is from a used or refurbished source, it may have hidden wear or reduced performance compared to a new one.

4. **Availability** Finding a genuine OEM shock in stock may require ordering from a specialty dealer, which could involve shipping delays.

5. **No Performance Upgrades** Unlike aftermarket shocks designed for aggressive riding, this part is optimized for stock ZRT 600 use, meaning it won t offer enhanced handling for hard riding.

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The **Arctic Cat ZRT 600 OEM rear gas shock (6429-S466699-39 SPI)** is a solid choice if you prioritize **reliability, direct fitment, and stock performance**. It s ideal for riders who want to maintain the bike s original specifications without compromising on quality. However, if you re looking for **customization, cost savings, or performance upgrades**, aftermarket options might be worth considering.

If your current shock is failing or you re restoring the bike to factory condition, this is a **safe and logical replacement**. Just ensure you source it from a reputable dealer to avoid counterfeit or damaged parts.

- **Buy it if:** You need a direct replacement, want to keep the bike stock, or prefer the reliability of an OEM part.

- **Consider alternatives if:** You re open to aftermarket shocks for better adjustability or performance at a lower cost.

- **Verify before purchasing:** Check the shock s condition (no leaks, proper gas charge) and confirm it s a new or refurbished unit from a trusted seller.

For most riders, this is a **wise investment** in maintaining the ZRT 600 s intended performance.

Details:

This is helpful if you are buying multiple items.: Brand: Sports Parts Inc, model Number: 6429-S466699-39. I need to exchange an item. 1998 - 2000 Arctic Cat ZRT 800.

Parts without fitment are to be assumed universal and may require vehicle modification. SPI Rear Gas Suspension Shock for 1998 - 2000 Arctic Cat ZRT 600 Snowmobile: Sold each.

part #: 6429s46669939 price

• $122.24

specifications snowmobileshocksoi:

• for models: Zrt, 600
• for makes: Arctic, Arctic-cat
• for years: 1998-2000
• brand: Sports Parts Inc
• mpn: 6429-s466699-39
• part type: Suspension Shock

payments snowmobileshocksoi:

• wallet: Apple-pay
• credit card: Visa
• other

general snowmobileshocksoi:

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

returns snowmobileshocksoi:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping snowmobileshocksoi:

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

seller snowmobileshocksoi:

• # reviews: 85565
• city: Boise, ID
• rating: 99.9%

offer snowmobileshocksoi:

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

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