fits model: 700, Switchback. make: Polaris. year: 2008–2017.

( Brand: Sp1 ), ( Manufacturer Part Number: 4638-S373117-48 ), ( Part Type: Protector )
The **SP1 4638-S373117-48 Tunnel Protectors (UHMW 17)** are a premium, high-performance solution designed specifically for the **2008 Polaris 700 Switchback**, ensuring optimal protection for the undercarriage while maintaining durability and functionality. Crafted from **ultra-high-molecular-weight polyethylene (UHMW 17)**, these tunnel protectors are engineered to withstand the harshest off-road conditions, including sharp rocks, abrasive terrain, and heavy impacts that could otherwise compromise the vehicle s underbelly. The **UHMW 17 material** provides exceptional resistance to wear, tearing, and chemical degradation, making it ideal for prolonged exposure to mud, oil, and debris common challenges faced by ATV riders navigating rugged trails. The **custom-fit design** ensures a snug, secure installation over the Polaris 700 s critical tunnel area, reducing the risk of punctures, scrapes, or structural damage while allowing for smooth articulation and minimal interference with the suspension system. Whether tackling steep climbs, rocky descents, or dense brush, these protectors act as a robust barrier, preserving the integrity of the vehicle s undercarriage and extending its lifespan. Their **sleek, low-profile construction** also enhances aerodynamics, ensuring that performance remains unaffected while the added protection provides peace of mind for adventurous riders. Built to endure the demands of off-roading, these tunnel protectors are a must-have upgrade for any Polaris 700 Switchback owner seeking both protection and reliability in extreme conditions.
### **Pros and Cons of Buying SP1 4638-S373117-48 Tunnel Protectors (UHMW) for a 2008 Polaris 700 Switchback**
#### **Pros:**1. **Enhanced Protection for Tunnel Travel** These tunnel protectors are specifically designed to prevent damage to the undercarriage of your Polaris 700 Switchback when navigating tight, low-clearance tunnels. Without them, the bike s skid plate or frame could be scratched, dented, or even punctured by sharp edges.
2. **Durability** Made from **ultra-high-molecular-weight polyethylene (UHMW)**, these protectors are resistant to abrasion, impact, and chemical corrosion. They are designed to withstand repeated use in harsh environments, including tunnels with rough surfaces or debris.
3. **Easy Installation** The SP1 model appears to be a direct-fit solution for the 2008 Polaris 700 Switchback, meaning it should mount securely without extensive modifications. Many aftermarket tunnel protectors are designed for quick attachment, reducing downtime.
4. **Cost-Effective Long-Term Solution** While the upfront cost may seem high, replacing a damaged skid plate or frame due to tunnel abrasion can be significantly more expensive. These protectors act as a preventive measure, saving money in the long run.
5. **Compatibility with Existing Setup** Since they are designed for the Switchback, they should integrate well with the bike s existing undercarriage components, such as the skid plate, without interfering with suspension or other critical parts.
6. **Reduced Maintenance** By preventing scratches and minor damage, these protectors help maintain the bike s resale value and reduce the need for frequent undercarriage inspections or repairs.
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#### **Cons:**1. **Upfront Cost** The price of $200 (or similar) for a pair of tunnel protectors is a significant investment, especially for a bike that may not frequently travel through tunnels. If tunnel use is rare, the cost may not justify the purchase.
2. **Potential for Misalignment or Loose Fit** While SP1 products are generally well-regarded for quality, there is always a risk of improper sizing or installation. If not fitted correctly, they could rattle, shift, or fail to provide adequate protection, leading to frustration or further damage.
3. **Weight Addition** UHMW protectors add noticeable weight to the undercarriage, which could slightly affect the bike s handling, particularly in aggressive riding or off-road conditions. However, the impact is usually minimal for a Switchback, which is designed for trail and light off-road use.
4. **Limited Visibility and Access** Tunnel protectors can partially obscure the undercarriage, making it slightly harder to inspect for leaks, damage, or debris buildup. This may require additional effort to ensure the bike remains in optimal condition.
5. **Potential for Wear Over Time** While UHMW is durable, repeated contact with rough tunnel surfaces or sharp edges could eventually cause wear or cracking in the protectors. This may necessitate replacement after several years or thousands of miles of tunnel use.
6. **Not a Universal Solution** These protectors are specific to the 2008 Polaris 700 Switchback. If you plan to modify the bike significantly (e.g., lowering, installing aftermarket undercarriage components), the protectors may no longer fit properly.
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### **Conclusion:**The **SP1 4638-S373117-48 Tunnel Protectors (UHMW)** are a **high-quality, specialized solution** for protecting your 2008 Polaris 700 Switchback during tunnel travel. They offer **superior durability, ease of installation, and long-term cost savings** by preventing undercarriage damage. However, they come with **higher upfront costs, potential weight concerns, and the need for proper installation** to ensure effectiveness.
If you **frequently ride through tunnels, especially rough or poorly maintained ones**, these protectors are a **strongly recommended investment**. They will likely **outlast cheaper alternatives** and provide peace of mind knowing your bike is safeguarded.
If you **rarely use tunnels**, the cost may not be justified, and you could consider **lower-cost alternatives** (e.g., DIY solutions or thinner protectors). Additionally, if you plan to **modify the bike s undercarriage**, verify that these protectors will still fit correctly after changes.
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### **Final Recommendation:** **Buy the SP1 tunnel protectors if:**- You travel through tunnels regularly, especially those with rough or sharp edges.
- You want a **long-lasting, high-quality solution** that minimizes risk of undercarriage damage.
- You are willing to invest in **preventive maintenance** to avoid costly repairs later.
**Avoid or reconsider if:**- Tunnel use is infrequent, and you prefer to save money on optional accessories.
- You plan to modify the bike s undercarriage in a way that could interfere with the protectors fit.
- You are uncomfortable with the added weight or potential visibility/accessibility trade-offs.
For most **Switchback riders who prioritize durability and protection**, these protectors are a **worthwhile purchase**. If budget is a concern, research alternative brands or used options, but prioritize **UHMW material** for the best longevity.
Parts without fitment are to be assumed universal and may require vehicle modification. SP1 Tunnel Protectors - UHMW 17in. Compatibility: Years: Make: model: Application: Notes: 2008 - 2008 Polaris600 SwitchBack, 2011 Polaris600 Shift 136, 2014 Polaris550 INDY Voyager, 2009 2013 Polaris550 IQ Shift, 2010 Polaris IQ Turbo Dragon, 2008 Polaris700 IQ, 2009 Polaris600 INDY, Dragon 2008 Polaris IQ LX, SP, 2010 Polaris800 2009 Polaris800 2012 Polaris600. I need to exchange an item.
This is helpful if you are buying multiple items. For 2008 Polaris 700 SwitchBack Snowmobile: Recommended whenever adding traction products to tracks, Some model's require 2 pieces per side of tunnel.: Brand: SP1, model Number: 4638-S373117-48.