fits model: 800, Dragon. make: Polaris. year: 2009–2017.

( Brand: Sp1 ), ( Manufacturer Part Number: 4159-S372159-19 ), ( Part Type: Protector )
The **SP1 4159-S372159-19 Tunnel Protectors (UHMW 17)** are a premium, high-performance set of tunnel guards specifically engineered for the **2009 Polaris 800 Dragon SP**, designed to enhance durability, protection, and ride comfort while traversing rough or uneven terrain. Crafted from **ultra-high-molecular-weight polyethylene (UHMW 17)**, these tunnel protectors are built to withstand the harshest conditions, offering superior abrasion resistance, impact absorption, and longevity compared to standard rubber or plastic alternatives. The **UHMW 17 material** is inherently self-lubricating, reducing friction and wear on both the protectors and the vehicle s undercarriage, ensuring a smoother, quieter ride even over sharp rocks, debris, or deep ruts. Each protector is precisely fitted to the **Polaris 800 Dragon SP s tunnel area**, providing a snug, interference-free installation that minimizes movement and maximizes protection against punctures, scrapes, and structural damage.
Beyond their robust construction, these tunnel protectors are designed with **ergonomic and functional considerations** in mind. The **reinforced edges** and **contoured shape** prevent premature wear while maintaining flexibility, allowing the protectors to conform to the vehicle s contours without compromising their protective integrity. The **high-density UHMW 17 compound** also resists oil, grease, and environmental contaminants, making them ideal for off-road adventures where exposure to mud, water, or chemicals is common. Installation is straightforward, thanks to the **pre-drilled mounting holes and clear alignment guides**, ensuring a secure and professional fit without the need for specialized tools. Whether tackling rocky trails, deep sand, or icy terrain, these tunnel protectors act as a **first line of defense**, safeguarding critical components like the **exhaust system, fuel lines, and underbody panels** from damage that could lead to costly repairs or operational downtime.
For riders who demand **uncompromising protection and performance**, the **SP1 4159-S372159-19 Tunnel Protectors** represent a smart investment in both durability and ride quality. Their **long-lasting performance** reduces the frequency of replacements, while their **quiet operation** ensures that the focus remains on the adventure rather than mechanical concerns. Whether used for daily commuting, weekend excursions, or extreme off-road challenges, these protectors deliver **peace of mind** by extending the lifespan of the Polaris 800 Dragon SP s undercarriage while maintaining its agility and reliability. Built to endure, these tunnel guards are more than just accessories they are essential armor for the modern off-road enthusiast.
### **Pros and Cons of Buying SP1 4159-S372159-19 Tunnel Protectors (UHMW 17) for a 2009 Polaris 800 Dragon SP**
#### **Pros:**1. **Enhanced Protection for the Tunnel** The tunnel (or skid plate) on a Polaris 800 Dragon SP is vulnerable to damage from rocks, debris, and rough terrain. These tunnel protectors are made from **ultra-high-molecular-weight polyethylene (UHMW 17)**, a durable material designed to withstand impacts, reducing the risk of costly tunnel repairs or replacements.
2. **Compatibility with the 2009 Polaris 800 Dragon SP** The part number **SP1 4159-S372159-19** is specifically engineered for this model, ensuring a proper fit without modifications. This reduces the risk of misalignment or improper installation, which could lead to further damage.
3. **Lightweight Yet Strong** UHMW is known for its **high impact resistance** while remaining lighter than metal or reinforced plastics. This means better protection without adding significant weight to the bike, which is beneficial for handling and fuel efficiency.
4. **Easy Installation** These protectors are designed for straightforward installation, often requiring only basic tools. Many riders report being able to fit them in under an hour, making it a manageable DIY project.
5. **Long-Lasting Durability** UHMW is resistant to abrasion, chemicals, and UV degradation, meaning these protectors should last for many riding seasons with proper care. This makes them a cost-effective long-term solution compared to disposable or lower-quality alternatives.
6. **Improved Ride Comfort** By preventing tunnel damage, these protectors help maintain the structural integrity of the bike, reducing vibrations and potential drivetrain issues that can arise from tunnel failures.
7. **Aftermarket Support and Availability** SP1 (Sport Performance) is a reputable brand in the off-road and ATV accessory market, and these protectors are widely available through dealers, online retailers, and specialty shops. This ensures easy replacement if needed.
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#### **Cons:**1. **Cost** At **$200**, these protectors are not cheap. While they offer excellent protection, the upfront cost may be a deterrent for riders on a tight budget. However, considering the potential cost of tunnel repairs (which can exceed $300 $500), they may still be a worthwhile investment.
2. **Installation Complexity (If DIY)** While generally straightforward, improper installation such as misalignment or overtightening bolts could lead to premature wear or damage. Riders unfamiliar with ATV modifications may need to consult a professional, adding to the cost.
3. **Potential for Scratches or Wear Over Time** Although UHMW is durable, it is not indestructible. In extreme conditions (e.g., constant rock crawling or heavy debris), the protectors may eventually wear down or develop scratches, requiring replacement.
4. **Aesthetic Considerations** Some riders prefer a cleaner look without additional hardware. While these protectors are functional and sleek, they do add bulk to the tunnel area, which may not appeal to those prioritizing aesthetics over protection.
5. **Compatibility with Other Mods** If the rider has previously modified the tunnel or installed aftermarket parts, there may be compatibility issues. It s essential to verify that these protectors won t interfere with existing modifications.
6. **Limited Warranty or Return Policy** Depending on the retailer, there may be restrictions on returns or warranties if the protectors are damaged during installation or prove incompatible. Always check the seller s policies before purchasing.
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### **Conclusion:**The **SP1 4159-S372159-19 Tunnel Protectors (UHMW 17)** for the 2009 Polaris 800 Dragon SP are a **high-quality, durable, and model-specific** solution for protecting one of the most vulnerable parts of the bike. The benefits such as **enhanced durability, ease of installation, and long-term cost savings** outweigh the drawbacks for most riders who prioritize protection and longevity.
The **primary downside is the cost**, but when weighed against the potential expense of tunnel repairs, they represent a **smart investment** for riders who frequently tackle rough terrain. Additionally, the **lightweight nature and compatibility** make them a practical choice for those who want to avoid unnecessary weight or fit issues.
For riders who **rarely ride on extreme terrain** or are on a tight budget, cheaper alternatives (e.g., basic plastic skid plates) might suffice. However, for those who demand **maximum protection and reliability**, these protectors are an excellent choice.
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### **Recommendation:** **Purchase these tunnel protectors if:**- You frequently ride on **rough, rocky, or debris-filled terrain**.
- You want a **long-term, durable solution** that reduces the risk of tunnel damage.
- You are willing to invest in **preventative maintenance** to avoid costly repairs.
- You are comfortable with **DIY installation** or have access to a mechanic for professional fitting.
**Avoid or consider alternatives if:**- You **rarely ride off-road** and the bike stays mostly on paved or smooth trails.
- You are **strictly budget-conscious** and cannot justify the upfront cost.
- You prefer a **cleaner aesthetic** and are willing to accept the risk of tunnel damage.
**Final Verdict:** For the **2009 Polaris 800 Dragon SP**, these SP1 tunnel protectors are **highly recommended** for riders who prioritize protection and durability. They strike a balance between **performance, ease of use, and longevity**, making them a worthwhile addition for serious off-road enthusiasts.
This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification. SP1 Tunnel Protectors - UHMW 17in. I need to exchange an item.
Brand: SP1, model Number: 4159-S372159-19. 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. For 2009 Polaris 800 Dragon SP Snowmobile: Recommended whenever adding traction products to tracks, Some model's require 2 pieces per side of tunnel.