SPORTS PARTS INC 8645-S435131-95 Spi Gas Slide Shock Ski Cat

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 8645-S435131-95 ), ( Part Type: Slide Shock )

Review SPORTS PARTS INC Spi Gas Slide Shock ski Arctic Cat Snowmobile fits FIRECAT F6 EFI 2005–2006

The **Sports 8645-S435131-95 SPI Gas Slide Shock** is a meticulously engineered aftermarket suspension component designed exclusively for the **2005-2006 Arctic Cat F6 FireCat EFI**, ensuring optimal performance, durability, and ride quality for off-road enthusiasts. Crafted from high-grade **spun aluminum** and reinforced with precision-machined components, this **gas-charged slide shock** delivers a seamless blend of responsiveness and stability, making it an ideal upgrade for riders seeking enhanced control in rough terrain. The shock features a **sealed, nitrogen-charged gas system**, which eliminates air bubbles and prevents oil foaming, ensuring consistent damping performance even under extreme conditions. Its **adjustable rebound and compression damping** allows for fine-tuned adjustments, enabling riders to dial in the perfect balance between comfort and aggression, whether tackling deep mud, rocky trails, or aggressive jumps. The **SPI (Slipper Interface) design** incorporates a **smooth, low-friction piston interface**, reducing internal wear while maintaining smooth operation, which is particularly beneficial for riders who push their machines to the limit. This shock is built to withstand the demands of heavy-duty off-roading, featuring a **robust mounting system** that securely attaches to the FireCat s frame, minimizing flex and maximizing energy transfer. Whether you're navigating technical trails, racing on the track, or simply seeking a more refined ride, the **Sports 8645-S435131-95 SPI Gas Slide Shock** provides the precision and reliability needed to elevate your Arctic Cat s performance. Built to meet or exceed OEM standards, this aftermarket upgrade is a testament to Sports commitment to quality, offering a cost-effective solution for riders who demand nothing less than excellence.

### **Pros and Cons of buying a Sports 8645-S435131-95 SPI Gas Slide Shock-Ski for a 2005-2006 Arctic Cat F6 FireCat EFI**

1. **Compatibility and Fit** The Sports 8645-S435131-95 is an OEM (original equipment manufacturer) or high-quality aftermarket replacement part designed specifically for the Arctic Cat F6 FireCat EFI models from 2005-2006. This ensures a proper fit without modifications, reducing the risk of misalignment or performance issues.

2. **Durability and Performance** SPI (Slide Products International) is a well-regarded manufacturer in the snowmobile industry, known for producing reliable shocks and suspension components. This part is designed to handle the demands of off-piste riding, improving stability, comfort, and traction in rough terrain.

3. **Improved Ride Quality** A high-quality shock ski can enhance the overall ride by reducing vibration, absorbing bumps, and providing better weight distribution. This is particularly useful for riders who frequently navigate uneven snow or rough trails.

4. **Enhanced Handling** Properly functioning shocks help maintain better control, especially at higher speeds or when making sharp turns. This can be especially beneficial for aggressive riders or those who frequently ride in challenging conditions.

5. **Long-Term Cost Savings** Investing in a quality replacement part upfront can prevent premature wear on other components (such as the frame, suspension, or drivetrain) that may result from a poorly functioning or worn-out shock ski.

6. **Ease of Installation** Since this is a direct replacement part, installation should be relatively straightforward for someone with basic mechanical skills. However, if you re not experienced, consulting a professional mechanic is recommended.

7. **Warranty and Support** SPI parts often come with warranties, providing peace of mind in case of defects. Additionally, many dealers or manufacturers offer customer support for installation guidance or troubleshooting.

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1. **Cost** Replacement shock skis are not cheap, especially when purchasing a high-quality aftermarket part like the SPI model. For a 2005-2006 Arctic Cat, this could be a significant investment, particularly if other components need replacement simultaneously.

2. **Installation Complexity** While the part is designed for easy replacement, improper installation (e.g., incorrect torque, misalignment, or failure to lubricate properly) can lead to premature failure or reduced performance. This may require professional help, adding to the cost.

3. **Availability and Lead Times** Depending on the retailer or region, stock availability for specific SPI parts may vary. Some dealers might not carry this exact model, requiring an order from a specialty supplier, which could result in shipping delays.

4. **Potential for Counterfeit Parts** The aftermarket for snowmobile parts can sometimes include counterfeit or low-quality replicas. Ensuring you re purchasing directly from a reputable dealer (such as Arctic Cat authorized parts centers or trusted online retailers) is crucial to avoid receiving a substandard product.

5. **Wear and Tear on Other Components** If the rest of the suspension system (e.g., shock absorbers, bushings, or linkages) is worn out, replacing just the shock ski may not fully resolve ride quality issues. A full suspension inspection might be necessary for optimal performance.

6. **Maintenance Requirements** Like any mechanical part, shock skis require periodic inspection and maintenance (e.g., checking for cracks, ensuring proper lubrication, and inspecting for wear). Neglecting maintenance can lead to failure and potential damage to the snowmobile.

7. **Limited Longevity Compared to OEM Parts** While SPI parts are high-quality, they may not last as long as original OEM components if the snowmobile has been well-maintained. However, this is subjective and depends on riding conditions and upkeep.

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The **Sports 8645-S435131-95 SPI Gas Slide Shock-Ski** is a solid choice for upgrading or replacing the shock ski on a 2005-2006 Arctic Cat F6 FireCat EFI. Its **compatibility, durability, and performance benefits** make it a worthwhile investment for riders who prioritize ride quality, handling, and long-term reliability. However, the **higher cost, potential installation challenges, and need for proper maintenance** are factors to consider before purchasing.

If you re experiencing **excessive vibration, poor traction, or suspension issues**, this part could significantly improve your snowmobile s performance. That said, if your budget is tight or you re unsure about installation, it may be worth comparing prices from multiple dealers or considering a used OEM part as an alternative.

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1. **Verify Compatibility** Double-check that this part number matches your exact model year and variant (e.g., EFI vs. carbureted) to avoid purchasing the wrong component.

2. **Purchase from a Reputable Source** Buy from an **Arctic Cat authorized dealer, a trusted online retailer (e.g., Arctic Cat Parts, SnowmobileParts.com, or SPI s official site), or a well-reviewed specialty shop** to ensure authenticity and warranty coverage.

3. **Consider Professional Installation** If you re not experienced with snowmobile mechanics, have a **certified technician** install the part to guarantee proper alignment and function.

4. **Inspect Other Suspension Components** While replacing the shock ski, inspect the **shock absorbers, linkages, and bushings** for wear. Replacing related parts simultaneously may save money in the long run.

5. **Budget for Maintenance** Plan for **regular inspections and lubrication** to extend the life of the shock ski and other suspension components.

6. **Compare Alternatives** If cost is a concern, explore **used OEM parts** (from reliable sources) or other high-quality aftermarket brands (e.g., Husky, Ski-Doo, or other SPI models) that may offer similar performance at a lower price.

**Final Verdict:** If you need a **reliable, high-performance replacement shock ski** for your Arctic Cat F6 FireCat EFI and can afford the upfront cost, the **SPI 8645-S435131-95 is an excellent choice**. However, weigh the pros and cons carefully, and ensure you re prepared for installation and maintenance to maximize its lifespan and performance.

Details:

SPI Gas Slide Shock-Ski for 2005 - 2006 Arctic Cat F6 Firecat EFI R Snowmobile: shocks are designed to work with OEM bushings, springs and collars. I need to exchange an item. This is helpful if you are buying multiple items. 2004 - Arctic Cat F6 Firecat EFI Early Build.

Parts without fitment are to be assumed universal and may require vehicle modification. 2005 - 2006 Arctic Cat F7 Firecat Sno Pro.: Brand: Sports Parts Inc, model Number: 8645-S435131-95.

part #: 8645s43513195 price

• $99.98

specifications snowmobileshocksoi:

• for models: F6, Efi, Firecat
• for makes: Arctic, Arctic-cat
• for years: 2005-2006
• brand: Sports Parts Inc
• mpn: 8645-s435131-95
• part type: Slide Shock

seller snowmobileshocksoi:

• # reviews: 85198
• rating: 99.9%
• city: Boise, ID

returns snowmobileshocksoi:

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

payments snowmobileshocksoi:

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

shipping snowmobileshocksoi:

• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00
• transit: 2-6 Days

offer snowmobileshocksoi:

• sold: 0
• quantity: 9
• started: May 13, 2026
• availability: In Stock
• options: Ship-to-home

general snowmobileshocksoi:

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

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