fits model: Mx, Tnt, 500, Ss. make: Ski-doo. year: 2008–2009.

( Brand: Spi ), ( Manufacturer Part Number: SP-2722-245810 ), ( Part Type: Shock )
The **SPI SP-2722-245810 Gas Shock for Ski-Doo MX TNT 500 (2008-2009)** is a high-performance, precision-engineered suspension component designed to enhance the handling, comfort, and durability of your Ski-Doo MX TNT 500 during both on-road and off-road adventures. This aftermarket gas shock is meticulously crafted to replace the factory unit, offering superior rebound and compression damping tailored to the aggressive demands of the MX TNT s high-performance powertrain. Built with a robust **nitrogen-charged gas system**, it eliminates air bubbles and ensures consistent performance across varying temperatures, providing a smoother ride while maintaining sharp responsiveness for quick, precise maneuvering. The shock features a **durable, high-quality coil spring** that resists fatigue and corrosion, even under the harshest conditions, ensuring long-term reliability. Its **adjustable rebound and compression damping** allows riders to fine-tune the suspension to their preferred handling characteristics, whether seeking a firmer setup for aggressive trail riding or a slightly softer feel for improved comfort on rough terrain. The **OEM-compatible mounting hardware** ensures a seamless installation, while the **sealed, corrosion-resistant construction** guarantees protection against moisture, dirt, and debris, extending the life of the shock and preserving its performance. Whether tackling steep climbs, tight switchbacks, or aggressive jumps, this gas shock delivers the stability and control needed to push the limits of your Ski-Doo MX TNT 500, making it an essential upgrade for enthusiasts who demand the best from their off-road machine.
### **Pros and Cons of Buying a Ski-Doo MX TNT 500 (2008-2009) with a SPI SP-2722-245810 Gas Shock**
#### **Pros:**1. **Reliability and Performance** The Ski-Doo MX TNT 500 is a well-regarded off-road snowmobile known for its strong engine, durable frame, and capable handling. The 500cc E-TEC engine provides sufficient power for aggressive riding, making it suitable for groomed trails, backcountry, and light off-piste conditions.
2. **Aftermarket Support** The model is part of a popular series, meaning parts, modifications, and upgrades are widely available. The SPI SP-2722-245810 gas shock is a common replacement for the stock suspension, offering improved comfort and control, especially for riders who prefer a firmer or more adjustable ride.
3. **Modification Potential** The MX TNT 500 is a favorite among tuners, allowing for upgrades like exhausts, air filters, and suspension modifications. The SPI shock is a solid choice for those looking to enhance ride quality without overhauling the entire suspension system.
4. **Resale Value (Compared to Other Models)** While not a brand-new machine, the MX TNT 500 holds up reasonably well in the used market, especially if well-maintained. It s more desirable than some older or less popular Ski-Doo models.
5. **Gas Shock Advantages** The SPI SP-2722-245810 is a gas-charged shock, which provides better damping performance than traditional coil or spring shocks. It reduces sag, improves stability, and can handle rough terrain better than stock shocks.
6. **Cost-Effective Upgrade** Replacing the stock shocks with a quality aftermarket option like the SPI shock is often more affordable than buying a newer model outright. It extends the life of the bike and improves ride quality.
7. **Compatibility** The SPI shock is designed specifically for the MX TNT 500 (2008-2009), ensuring a proper fit and function without modification.
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#### **Cons:**1. **Age and Wear** The 2008-2009 model is now over a decade old, meaning it may require more maintenance, especially if it hasn t been well cared for. Critical components like the engine, transmission, and drivetrain may need attention.
2. **Fuel and Emissions Regulations** Older Ski-Doos may not meet modern emissions standards in some regions, though the MX TNT 500 was already equipped with a catalytic converter, reducing some concerns. However, fuel quality and availability for older models can be inconsistent.
3. **Depreciation** Like all snowmobiles, this model has already depreciated significantly. Buying used means you re paying a fraction of its original price, but you re also accepting that it won t retain much value over time.
4. **Stock Suspension Limitations** While the SPI shock is an improvement, the stock suspension on the MX TNT 500 is still basic. If you plan to ride heavily on rough terrain, you may eventually need further upgrades (e.g., stiffer shocks, longer travel options).
5. **Parts and Labor Costs** Older models can be more expensive to repair, especially if parts are no longer in production. Finding a skilled mechanic familiar with this specific model may also be challenging in some areas.
6. **Rider Skill Dependency** The MX TNT 500 is powerful and responsive, which can be great for experienced riders but may be overwhelming for beginners. Its aggressive stance and high power-to-weight ratio require confidence in handling.
7. **Environmental and Noise Concerns** Older snowmobiles tend to be louder and less fuel-efficient than modern models. Some regions have noise restrictions, and you may face limitations on where you can ride.
8. **Stock Condition Unknown** When buying used, you re relying on the seller s honesty about maintenance history. Hidden issues like engine wear, frame damage, or electrical problems could lead to unexpected repair costs.
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### **Conclusion:**Buying a **2008-2009 Ski-Doo MX TNT 500 with a SPI SP-2722-245810 gas shock** is a practical choice for riders who want a capable, mod-friendly off-road snowmobile at a lower cost. The SPI shock upgrade is a smart investment to improve ride quality and durability, making it a better option than the stock suspension. However, the age of the model means you ll need to budget for maintenance, potential repairs, and the fact that it won t hold value well.
This purchase is ideal for:- **Experienced riders** who can handle a powerful, older machine.
- **Those who prioritize performance and mod potential** over brand-new technology.
- **Budget-conscious buyers** who want a high-quality used snowmobile with a meaningful upgrade.
If you re not comfortable with maintenance or prefer the latest safety and efficiency features, a newer model (2015 ) with modern suspension and emissions compliance may be worth the higher cost. However, for the right buyer, this Ski-Doo remains a fantastic off-road machine with the right upgrades.
### **Recommendation:**If you find a **well-documented, properly maintained** 2008-2009 MX TNT 500 with a **SPI SP-2722-245810 shock installed**, it s a strong used purchase especially if you re willing to invest in regular upkeep. Test-ride the bike thoroughly, inspect the frame, engine, and suspension, and confirm the shock is in good condition. Consider having a mechanic inspect it before buying to avoid hidden issues.
For the best value, pair this purchase with:- A **fuel system flush** (older snowmobiles can have varnish buildup).
- **Brake and drivetrain checks** (critical for safety).
- **Tire replacement** if they re worn.
- **A tune-up** to ensure the engine runs smoothly.
If you re unsure about maintenance, factor in a **budget for repairs** in your first year of ownership. Overall, this is a **great used off-road snowmobile** for the right rider, but it s not a "set-and-forget" purchase.
Compatibility: Ski Doo MX Z Sport 600 ACE 120 2012, Carb TNT 1200 4-TEC 129 2009-2012, 500 SS 2008 -2009, 550 2010-2012, 2011-2012, 800R E-TEC Power T.E.K.: Brand: SPI, model Number: SP-2722-245810. SPI Snowmobile Gas Shock Ski Doo MX Z TNT 500 SS 2008 2009 - CENTER: : One : Center Type: Gas length Open: 13in. length Closed: 9-1/2in.Eye Diameter Body: 23.8mmEye Shaft: 19.5mmOEM Replacement: 503-191-791, 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. I need to exchange an item.
2011, Ski Doo MX Z X 800R E-TEC 129 2010-2011, Power T.E.K. This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification.