1. Grab Bars Offered
  2. sku: 4587744502075633
  3. EXTREME FABRICATION RACING XFR JS401-MBK

EXTREME FABRICATION RACING XFR JS401-MBK Jaws Bumper

fits model: 500, Predator. make: Polaris. year: 2003–2007.

Js401-mbk Extreme Fabrication Racing - Xfr Polaris Predator 500 2003-07 Jaws Aluminum Bumper Matte Black

( Brand: Extreme Fabrication Racing Xfr ), ( Manufacturer Part Number: JS401-MBK ), ( Type: Grab Bar ), ( Machine Type: Atv ), ( Items Included: Grab Bar, Instruction Manual, Mounting Hardware ), ( Color: Black ), ( Attachment Type: Bolt-on ), ( Material: Aluminum ), ( Country Of Origin: United States ), ( Placement On Vehicle: Rear )

Review EXTREME FABRICATION RACING XFR Polaris Jaws Aluminum Bumper Matte Black fits PREDATOR 500 2003–2007

The **Extreme Fabrication Racing (XFR) JS401-MBK Polar Bear Kit** is a meticulously engineered, high-performance aftermarket solution designed exclusively for the 2003 2007 Polaris Predator 500, transforming its stock front end into a formidable, race-ready setup that balances aggression with precision. Crafted from premium, high-strength steel, the **Jaws Bumper** is a bold statement of off-road dominance, featuring a deep, aggressive jaw-like design that not only enhances the Predator s already intimidating stance but also reinforces the front end with unmatched structural integrity. Unlike generic aftermarket parts, this kit is built to withstand the brutal forces of extreme terrain, high-speed jumps, and relentless off-road abuse, making it an ideal choice for racers, trail riders, and enthusiasts who demand nothing less than peak performance. The **polar bear-inspired MBK (Mega Bumper Kit)** integrates seamlessly with the Predator s existing suspension and steering components, ensuring minimal interference while maximizing protection shielding the engine, radiator, and critical front-end hardware from rocks, debris, and impacts that would otherwise compromise rideability or lead to costly repairs. With its **adjustable mounting points**, riders can fine-tune the kit s fitment for optimal clearance and articulation, whether tackling technical trails, competing in desert races, or pushing the limits in ATV motocross. The **black powder-coated finish** not only provides a sleek, custom aesthetic but also offers superior corrosion resistance, ensuring longevity even in the harshest environments. Whether you're a seasoned competitor looking to gain a tactical edge or a rider seeking to elevate the Predator s off-road capability, the XFR JS401-MBK is a game-changing upgrade that redefines what s possible on two wheels. Built for those who refuse to compromise, this kit delivers unparalleled protection, durability, and performance proving that extreme terrain deserves extreme solutions.

### **Pros and Cons of buying a Extreme Fabrication Racing XFR JS401-MBK Polaris Predator 500 (2003-2007) with Jaws Bumper**

#### **Pros**

1. **Performance and Modification Potential** The XFR JS401-MBK is a high-performance kit designed for the Polaris Predator 500, significantly improving acceleration, handling, and off-road capability. The kit includes a lightweight frame, upgraded suspension, and a more aggressive stance, making it ideal for racing or aggressive riding.

2. **Jaws Bumper Compatibility** The Jaws bumper is a durable, high-impact bumper designed for extreme off-road use. It provides better protection against rocks, branches, and other obstacles while maintaining a sleek, aggressive look. The combination of the XFR kit and Jaws bumper makes the bike more capable in rough terrain.

3. **Lightweight Construction** The XFR kit reduces overall weight compared to stock Predators, improving power-to-weight ratio and responsiveness. This is particularly beneficial for racing or high-speed riding.

4. **Improved Suspension and Handling** The kit often includes upgraded suspension components or tuning options that enhance cornering stability and ride comfort, making it more versatile than stock models.

5. **Aftermarket Support and Customization** The Predator 500 has a strong aftermarket following, meaning parts like exhausts, brakes, and tires are widely available for further customization.

6. **Resale Value (If Maintained Well)** Modified Predators with high-quality kits like XFR can hold value among enthusiasts, especially if they are well-documented and maintained.

7. **Aesthetic Appeal** The aggressive, low-slung stance of the XFR kit gives the bike a distinct, race-ready look that appeals to riders who prioritize style alongside performance.

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#### **Cons**

1. **Cost** The XFR JS401-MBK kit is not cheap, and adding a Jaws bumper will increase the total expense. If the bike is already older (2003-2007), the cost-to-benefit ratio may be higher than buying a newer, stock or lightly modified model.

2. **Maintenance and Reliability Concerns** Older Predators (2003-2007) may have reliability issues, particularly with engines, transmissions, or electrical systems. The XFR kit itself is high-performance, which can put additional stress on the bike s components, potentially leading to more frequent maintenance or repairs.

3. **Wear and Tear on the Bike** The aggressive stance and lightweight frame of the XFR kit make the bike more susceptible to damage from rough riding. The Jaws bumper helps, but it doesn t eliminate the risk of frame or suspension damage in extreme conditions.

4. **Limited Stock Parts Availability** Since the bike is older, finding original manufacturer parts (OEM) may be difficult or expensive. This could complicate repairs if something goes wrong.

5. **Insurance and Registration Issues** Some insurance providers may charge higher premiums for heavily modified bikes, and registration requirements for aftermarket kits can vary by state or country. Always check local regulations before purchasing.

6. **Learning Curve for New Riders** The XFR kit s aggressive setup (lowered suspension, different weight distribution) can make the bike less forgiving for inexperienced riders. It requires a higher skill level to handle safely, especially in technical terrain.

7. **Potential for Overmodding** While the XFR kit is a significant upgrade, some riders may be tempted to add even more modifications (e.g., aggressive exhausts, heavy-duty brakes), which could further increase costs and complexity without proportional benefits.

8. **Depreciation Risk** Older bikes, even with performance kits, tend to depreciate over time. If the goal is long-term ownership, the resale value may not justify the initial investment.

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### **Conclusion**

The **Extreme Fabrication Racing XFR JS401-MBK Polaris Predator 500 (2003-2007) with a Jaws bumper** is an excellent choice if you are a serious off-road or racing enthusiast looking for a high-performance, aggressive ride. The kit delivers noticeable improvements in speed, handling, and durability, making it ideal for riders who prioritize performance over comfort or longevity. However, the trade-offs higher cost, potential reliability issues with an older bike, and increased maintenance needs must be carefully considered.

If you plan to use the bike primarily for racing, track days, or extreme off-roading and are prepared for the associated costs and maintenance, this setup is a strong recommendation. For casual riders or those seeking a more practical, long-term bike, a newer stock or lightly modified Predator (or another model) may be a better investment.

### **Recommendation**

- **Buy if:** You are an experienced rider, have a budget for maintenance and potential repairs, and intend to use the bike for racing, aggressive off-roading, or track days. Ensure the bike is thoroughly inspected for mechanical issues before purchase.

- **Consider alternatives if:** You want a more reliable, lower-cost option or plan to use the bike for general trail riding. In that case, a newer Predator (2010 ) with stock or minimal modifications might be a safer choice.

- **Negotiation Tip:** If buying used, aim for a bike with a clean service history and ask for proof of past modifications or repairs. Always test-ride the bike to ensure the XFR kit and Jaws bumper are properly installed and functioning.

Details:

Standard Bumpers Competition Jaws. 100% Made in the USA. Product may slightly vary from photo depending on OEM mounting requirements. XFR also manufactures quality They are designed to bolt up OEM mounts without any modifications.

Mounting hardware not included.

part #: js401 prices

  • $149.90-$159.90

specifications atvbars:

  • for models: 500, Predator
  • for makes: Polaris
  • for years: 2003-2007
  • brand: Extreme Fabrication Racing Xfr
  • mpn: Js401-mbk
  • type: Grab Bar
  • machine type: Atv
  • items included: Grab Bar, Instruction Manual, Mounting Hardware
  • color: Black
  • attachment type: Bolt-on
  • material: Aluminum
  • country of origin: United States
  • placement on vehicle: Rear

payments atvbars:

  • wallet: Paypal
  • other
  • credit card: Diners-club

seller atvbars:

  • city: Clara City, Minnesota
  • rating: 100.0%
  • # reviews: 31

shipping atvbars:

  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 3-9 Days
  • service: USPS Ground Advantage
  • carrier: USPS

offer atvbars:

  • availability: In Stock
  • sold: 0
  • started: May 6, 2026
  • options: Ship-to-home

returns atvbars:

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

general atvbars:

  • ATV, Side-by-Side UTV Parts Accessories > Body Frame > Grab Bars Handles
  • condition: New
for models: 500, predator, for makes: polaris, for years: 2003-2007, type: grab bar, machine type: atv, items included: grab bar, instruction manual, mounting hardware, attachment type: bolt-on, country of origin: united states, placement on vehicle: rear,
category: atv parts > atv, side-by-side utv parts accessories > body frame > grab bars handles, color: black, material: aluminum, sku: 4587744502075633,
Extreme Fabrication Racing Xfr JS401 Is Similar To:
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3 offers $149.90–$159.90 USD
  • New. Offer #1 priced at $149.90 + $0.00 shipping estimate = $149.90* total. - Complete Bumper Ready to Mount. XFR also manufactures quality They are designed to bolt up to OEM mounts without any modifications.FREE SHIPPING
  • New. Offer #2 priced at $159.90 + $0.00 shipping estimate = $159.90* total. POWDERCOATED MATTE BLACK.FREE SHIPPING
  • New. Offer #3 priced at $159.90 + $0.00 shipping estimate = $159.90* total. POWDER COATED GLOSS BLACK.FREE SHIPPING

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