SPORTS PARTS INC 3604-S497049-94 Spi Suspension Spring Rear Left Ski Doo

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 3604-S497049-94 ), ( Part Type: Spring Suspension )

Review SPORTS PARTS INC Spi Suspension Spring Ski doo Le E tec Rear Left fits GSX HO 600 2012–2013

The **SPI Suspension Spring (Part #3604-S497049-94)** is a high-performance, precision-engineered suspension component specifically designed for the **2012-2013 Ski-Doo GSX LE E-TEC 600 HO**, ensuring optimal handling, comfort, and durability on both on-road and off-road adventures. Crafted from **high-grade, heat-treated chrome-vanadium steel**, this spring is engineered to withstand the rigorous demands of aggressive riding, delivering consistent performance under extreme loads while resisting fatigue and deformation. The spring s **customized coil geometry** is meticulously calibrated to match the factory specifications of your Ski-Doo s rear suspension system, providing the perfect balance between stiffness and compliance for a responsive yet smooth ride. Whether you re tackling rough trails, navigating tight corners, or cruising at high speeds, this spring enhances wheel articulation, reduces body roll, and improves overall traction by maintaining optimal tire contact with the terrain. Its **precision-ground threads and polished ends** ensure a secure, corrosion-resistant fit, while the **tight coil pitch** minimizes unwanted movement, contributing to a more controlled and stable ride. Ideal for riders seeking to fine-tune their suspension setup or replace worn-out factory components, this SPI spring is a direct-fit replacement that restores factory performance or allows for custom tuning with complementary suspension parts. Built to last, it s a reliable upgrade for those who demand the best in suspension performance from their Ski-Doo.

### **Pros and Cons of buying a Sports 3604-S497049-94 SPI Suspension Spring for 2012-2013 Ski-Doo GSX LE E-TEC 600 HO Rear Left**

1. **OEM Replacement Quality** This spring is designed as an exact replacement for the original equipment manufacturer (OEM) part, ensuring compatibility with your Ski-Doo GSX LE E-TEC 600 HO. It should fit seamlessly without requiring modifications, reducing the risk of installation issues.

2. **Improved Ride Comfort and Handling** The SPI (Suspension Performance International) brand is known for enhancing suspension performance. This spring may provide a smoother ride by better absorbing bumps and vibrations, which can be particularly beneficial for off-road or aggressive riding. It may also improve stability and cornering, especially if your original spring was worn or too soft.

3. **Durability and Performance** SPI parts are often manufactured with high-quality materials and precision engineering. This spring is likely to be more durable than an aftermarket generic part, reducing the likelihood of premature failure. It may also offer better load-bearing capacity, which can be useful for heavier riders or those who frequently carry cargo.

4. **Compatibility with Other SPI Upgrades** If you ve already invested in other SPI suspension components (such as shocks or bushings), this spring will integrate well with your existing setup. This can be advantageous if you re looking to optimize your suspension as a whole.

5. **Warranty and Support** SPI typically offers warranties on their parts, providing some peace of mind in case of defects. Additionally, they often have customer support to assist with installation or troubleshooting.

6. **Enhanced Off-Road Capabilities** For riders who frequently tackle rough terrain, a properly tuned suspension spring can improve traction, reduce wheel hop, and make the bike more responsive. This can be particularly useful for those who use their Ski-Doo for trail riding or racing.

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1. **Cost** SPI parts are generally more expensive than generic aftermarket or OEM replacement springs. Depending on your budget, this could be a significant investment, especially if you re upgrading multiple suspension components. The price may not be justified if your original spring was still in good condition.

2. **Potential Overkill for Mild Use** If you primarily use your Ski-Doo for light trail riding or casual outings on smooth terrain, the benefits of this spring may be minimal. The improved stiffness could make the ride feel harsher on paved roads or gentle trails, detracting from comfort.

3. **Installation Complexity** While the spring is designed for easy replacement, installing it may require some mechanical skill, especially if you re unfamiliar with suspension tuning. Improper installation (e.g., incorrect torque, misalignment, or failure to bleed the shocks) could lead to poor performance or even damage to the suspension system.

4. **Compatibility Concerns** Although this spring is listed as a direct replacement, there s always a small risk of fitment issues, particularly if the part has been discontinued or if there are variations in the suspension design between years or models. Double-checking with the manufacturer or a trusted mechanic before purchasing is advisable.

5. **Maintenance Requirements** A stiffer spring may increase stress on other suspension components, such as shocks, bushings, or linkages. This could lead to more frequent maintenance or wear on these parts, adding to long-term costs.

6. **Subjective Performance** Suspension tuning is highly subjective, and what works well for one rider may not suit another. If you re not experienced with suspension adjustments, the perceived improvement (or lack thereof) might not match the expectations set by marketing claims.

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### **Conclusion**

The **Sports 3604-S497049-94 SPI Suspension Spring** is a high-quality, OEM-replacement part that offers significant benefits for riders looking to enhance their Ski-Doo s suspension performance, particularly for off-road use or aggressive riding. Its durability, compatibility with other SPI components, and potential to improve ride comfort and handling make it a strong choice for those willing to invest in performance upgrades.

However, the higher cost and potential overkill for mild use are notable drawbacks. If your original spring is still functional and you primarily ride on smooth terrain, the upgrade may not be worth the expense. On the other hand, if you re experiencing sag, poor handling, or discomfort due to worn suspension, this spring could be a worthwhile investment to restore or improve your bike s performance.

For the best results, consider pairing this spring with a professional suspension tune-up or consulting with a Ski-Doo specialist to ensure proper setup. If you re new to suspension modifications, test the spring on a variety of terrains to gauge its impact on your riding experience.

### **Recommendation**

- Your original spring is worn, sagging, or causing handling issues.

- You frequently ride on rough or technical terrain where suspension performance is critical.

- You ve already invested in other SPI suspension components and want a cohesive upgrade.

- You re willing to pay for a high-quality, durable part that could extend the life of your suspension system.

- Your original spring is still in good condition and you re on a tight budget.

- You primarily ride on paved roads or smooth trails where a softer suspension would be more comfortable.

- You lack experience with suspension tuning and are unsure how the stiffer spring will affect your ride.

- You re unable to properly install or maintain the suspension after the upgrade.

For optimal results, pair this spring with a **suspension preload adjustment** and ensure your shocks are properly bled and tuned. If possible, test the spring on a variety of terrains before committing to it as a permanent upgrade.

Details:

SPI Suspension Spring for 2012 2013 Ski-Doo GSX LE E-TEC 600 HO Rear Left: Application: Left.: Brand: Sports Parts Inc, model Number: 3604-S497049-94. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items.

2010 - Ski-Doo GSX 550F Sport Rear Left. I need to exchange an item.

part #: 3604s49704994 price

• $47.95

specifications snowmobileshocksoi:

• for models: Gsx, Ho, 600
• for makes: Ski-doo
• for years: 2012-2013
• brand: Sports Parts Inc
• mpn: 3604-s497049-94
• part type: Spring Suspension

payments snowmobileshocksoi:

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

returns snowmobileshocksoi:

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

general snowmobileshocksoi:

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

seller snowmobileshocksoi:

• rating: 99.9%
• # reviews: 84343
• city: Indiana, US

offer snowmobileshocksoi:

• availability: In Stock
• sold: 0
• started: May 1, 2026
• quantity: 9
• options: Ship-to-home

shipping snowmobileshocksoi:

• transit: 4-6 Days
• service: Standard
• type: Fixed
• cost: $0.00
• class: Standard

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