1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 22509228758112711
  3. HARLEY DAVIDSON 32107-01B

HARLEY-DAVIDSON 32107-01B Screaming Race Kit

fits model: Efi, Eagle, Softail, Dyna. make: Eagle, Harley. year: 2004.

32107-01b Harley-davidson Screaming Eagle Efi Race Kit Softail Dyna 2004

( Brand: Harley-davidson ), ( Manufacturer Part Number: 32107-01B ), ( Compatible Model: Screaming Eagle )

Review HARLEY DAVIDSON Screaming Race Kit fits EAGLE SOFTAIL DYNA EFI 2004

The **Harley-Davidson 32107-01B Screaming Eagle EFI Race Kit** for the **2004 Softail Dyna** represents the pinnacle of performance engineering designed to transform your motorcycle into a high-octane, track-ready machine. This meticulously crafted kit is engineered by Harley-Davidson s elite **Screaming Eagle** performance division, a name synonymous with cutting-edge technology and relentless speed. At its core, the kit features a **highly refined Electronic Fuel Injection (EFI) system**, replacing the stock carburetion with a precision-tuned, computer-managed fuel delivery mechanism that ensures optimal air-fuel ratios across a wide range of RPMs and throttle positions. The EFI system is paired with a **custom throttle body** and **high-flow fuel injectors**, allowing for seamless power delivery and enhanced responsiveness, whether you're cruising down the highway or pushing the limits on the racetrack.

Beyond the fueling system, this kit includes a **high-performance exhaust system** designed to maximize airflow and scavenging, reducing backpressure and unlocking additional horsepower. The exhaust components are crafted from high-grade stainless steel and feature a **low-restriction design**, ensuring that every ounce of power generated by the engine is efficiently expelled, resulting in a deeper, more aggressive exhaust note that turns heads. Complementing the exhaust is a **custom air intake system**, complete with a high-flow air filter and polished intake manifold, which significantly increases airflow to the engine, promoting better combustion and improved throttle response. The intake system is engineered to minimize turbulence and maximize efficiency, ensuring that the engine breathes freely at all times.

For those seeking even greater performance, the **Screaming Eagle EFI Race Kit** also incorporates a **custom camshaft set**, featuring aggressive profiles that extend the power band and enhance low-end torque while maintaining high-RPM stability. These cams are paired with **high-performance valve springs and retainers**, reducing valve float and improving engine reliability under heavy loads. Additionally, the kit includes **custom pistons and connecting rods**, often forged from lightweight yet durable materials, which enhance the engine s power output while reducing reciprocating mass for better high-RPM performance. The crankshaft may also be upgraded to a **high-performance version**, further refining the engine s balance and durability under extreme conditions.

To ensure that the engine operates at peak efficiency, the kit includes a **custom ignition system**, featuring advanced coil packs and high-energy ignition components that deliver precise spark timing for optimal combustion. This system is calibrated to work seamlessly with the EFI, ensuring that fuel and ignition are perfectly synchronized for maximum power and smooth operation. The entire assembly is backed by Harley-Davidson s **Screaming Eagle performance tuning software**, which allows for precise calibration of the EFI system to match the specific modifications and riding conditions. Whether you're tuning for street use, track days, or full-on racing, the software provides the flexibility to dial in the perfect balance of power, torque, and drivability.

Installation of the **Screaming Eagle EFI Race Kit** requires professional expertise, as it involves significant modifications to the engine bay, including the removal of the stock carburetion system, wiring of the new EFI components, and integration with the motorcycle s electrical system. However, the result is a **strikingly transformed Softail Dyna**, one that not only looks aggressive with its polished components and sport-tuned aesthetics but also delivers **substantial gains in horsepower, torque, and overall performance**. The kit is ideal for enthusiasts who demand the absolute best from their Harley, whether they're looking to dominate the track, push the limits of their street bike, or simply enjoy the thrill of a high-performance machine.

For those who appreciate both form and function, the **Screaming Eagle EFI Race Kit** is more than just a performance upgrade it s a statement of intent. It transforms your 2004 Softail Dyna into a **track-ready monster**, blending Harley-Davidson s legendary craftsmanship with the precision engineering of the Screaming Eagle division. Whether you're a seasoned racer or an ambitious street rider, this kit delivers the power, refinement, and exhilaration that only Harley-Davidson s most elite performance offerings can provide.

### **Pros and Cons of Buying a 2004 Harley-Davidson 32107-01B Screaming Eagle EFI Race Kit Softail Dyna**

#### **Pros**

1. **Performance and Modifications**

The Screaming Eagle EFI kit is a high-performance upgrade designed to significantly increase power output. The kit includes an electronic fuel injection system, which improves throttle response, fuel efficiency, and overall engine performance compared to the stock carbureted setup. The race kit version is tuned for aggressive riding, offering better acceleration and top-end speed.

2. **Exclusivity and Customization**

The Screaming Eagle was one of Harley-Davidson s most exclusive performance packages in its era, making this bike a standout in terms of customization. The race kit further enhances its sporty, track-oriented character, appealing to riders who want a bike that stands out from the typical cruiser aesthetic.

3. **Electronic Fuel Injection (EFI)**

Unlike older Harley-Davidson models that relied on carburetors, the EFI system provides more consistent power delivery, better cold starts, and easier tuning. This makes the bike more reliable in varying conditions and reduces the risk of common carburetor issues like clogging or float problems.

4. **Softail Dyna Platform**

The Softail Dyna chassis combines the classic Harley-Davidson look with the modern Dyna platform s stability and handling. The Softail s hidden rear suspension provides a smoother ride, while the Dyna s low-slung design offers better ergonomics for long rides. This hybrid platform is more comfortable and maneuverable than traditional cruisers.

5. **Potential for Further Modifications**

The Screaming Eagle EFI kit leaves room for additional upgrades, such as exhaust systems, suspension tuning, or aftermarket performance parts. The bike s modern electronics also allow for easier integration with modern accessories like telemetry systems or performance monitors.

6. **Collectible and Nostalgic Value**

The Screaming Eagle was a limited-edition model, and the 2004 version is now several years old, making it a potentially valuable collector s item. For enthusiasts who appreciate Harley-Davidson s performance history, this bike holds a certain nostalgic appeal.

7. **Track and Sporty Riding Capabilities**

The race kit version is specifically tuned for track use, offering better braking, handling, and power delivery in a controlled environment. While not a full race bike, it is more capable on twisty roads or light track days compared to a stock Dyna.

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#### **Cons**

1. **Age and Wear**

The 2004 model is now over two decades old, which means it may require significant maintenance and potential major repairs. Components like the engine, transmission, and suspension may be near the end of their service life, leading to higher long-term costs.

2. **Electronic Reliability**

While EFI is an improvement over carburetors, older Harley-Davidson electronics can be finicky. The Screaming Eagle s EFI system may require occasional recalibration or software updates, and issues with sensors or wiring can be costly to diagnose and fix.

3. **High Maintenance Costs**

Harley-Davidson motorcycles, especially older models, are known for their mechanical complexity and the expense of parts and labor. The Screaming Eagle s performance-oriented components (e.g., high-performance exhaust, racing suspension) may also require specialized maintenance, adding to the cost.

4. **Fuel and Emissions Compliance**

The EFI system is designed for modern fuel standards, but older Harleys can sometimes struggle with newer gasoline blends. Additionally, some states or regions have emissions regulations that may limit modifications or require additional equipment, such as catalytic converters or OBD-II compliance.

5. **Resale Value**

While the Screaming Eagle is a desirable model, its resale value may not be as high as newer Harley-Davidson models or other high-demand bikes. The age of the bike and potential wear will likely reduce its marketability compared to a newer or lower-mileage model.

6. **Weight and Handling**

Despite the Dyna platform s improvements, Harley-Davidson motorcycles are generally heavy. The Screaming Eagle, with its performance upgrades, may still feel sluggish in tight corners or during aggressive maneuvering compared to lighter sportbikes or naked bikes. The race kit helps, but it is not a full sportbike.

7. **Limited Availability of Parts**

As the model ages, finding original manufacturer parts (OEM) can become difficult or expensive. Aftermarket parts may be necessary for repairs, which could compromise the bike s authenticity or performance.

8. **Fuel Economy**

Performance-oriented motorcycles like the Screaming Eagle typically have poor fuel efficiency. The EFI system and high-performance exhaust will consume more fuel than a stock or less aggressive Harley-Davidson, increasing running costs.

9. **Potential for Hidden Issues**

A used bike of this age may have hidden problems, such as engine wear, transmission issues, or frame stress from previous modifications. A thorough inspection by a trusted mechanic is essential before purchase to avoid costly surprises.

10. **Lifestyle Suitability**

The Screaming Eagle is not ideal for casual riders or those who prioritize comfort on long rides. Its sporty nature and aggressive tuning make it better suited for enthusiasts who enjoy performance riding, track days, or customization projects rather than everyday cruising.

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### **Conclusion**

The 2004 Harley-Davidson Screaming Eagle EFI Race Kit Softail Dyna is a fascinating and powerful motorcycle that appeals to riders who value performance, exclusivity, and customization. Its EFI system, race kit tuning, and hybrid Softail Dyna platform make it a standout among Harley-Davidson models of its era. However, its age, potential maintenance costs, and high ownership expenses are significant drawbacks, particularly for riders who prioritize reliability and low-cost ownership.

This bike is best suited for:

- Enthusiasts who appreciate Harley-Davidson s performance history and are willing to invest time and money in maintenance.

- Riders who enjoy track days, sporty riding, or customization projects.

- Those who value the Screaming Eagle s unique aesthetic and want a bike that turns heads.

- Individuals with experience in motorcycle maintenance or access to a trusted mechanic.

It is less ideal for:

- Casual riders or those seeking a low-maintenance, everyday bike.

- Buyers who prioritize fuel efficiency or long-distance comfort.

- Those unwilling to invest in potential major repairs or upgrades.

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### **Recommendation**

If you are considering purchasing this bike, proceed with caution and thorough due diligence. Here s what you should do:

1. **Get a Professional Inspection**

Have the bike thoroughly inspected by a Harley-Davidson specialist or a trusted mechanic. Focus on the engine, transmission, suspension, and electrical systems, especially the EFI components. Request a detailed report outlining any issues and their estimated repair costs.

2. **Verify Maintenance History**

Ensure the bike has been well-maintained. Look for service records, oil changes, and any previous modifications. A bike with a complete history is far more reliable than one with unknown maintenance gaps.

3. **Test Ride and Evaluate Condition**

Take the bike for a test ride to assess its performance, handling, and comfort. Pay attention to engine smoothness, throttle response, braking, and suspension behavior. Listen for unusual noises (e.g., engine knocking, suspension rattles) that could indicate problems.

4. **Budget for Repairs and Upgrades**

Account for potential repair costs, especially if the bike requires major work (e.g., engine rebuild, transmission overhaul). Consider setting aside funds for immediate upgrades, such as a new exhaust system, suspension tuning, or tire replacement.

5. **Compare with Alternatives**

Evaluate whether this bike fits your riding needs and budget. Consider alternatives such as:

- A newer Harley-Davidson model with similar performance (e.g., a 2010 Screaming Eagle or a Sportster 1200).

- A used sportbike or naked bike (e.g., a Yamaha MT-07, Kawasaki Ninja 400) for better handling and fuel efficiency.

- A restored or lower-mileage classic Harley-Davidson for better reliability.

6. **Purchase with a Bill of Sale and Warranty (If Possible)**

If buying from a private seller, ensure you have a clear bill of sale and, if possible, a limited warranty or return policy. If purchasing from a dealer, verify that the bike is covered under warranty.

7. **Consider Storage and Usage**

If you do not plan to ride the bike frequently, factor in storage costs (e.g., garage, indoor storage) to protect it from the elements. If the bike is primarily for track days, ensure you have access to a suitable facility and understand the legal requirements for racing.

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**Final Verdict:**

The 2004 Harley-Davidson Screaming Eagle EFI Race Kit Softail Dyna is a remarkable bike for the right buyer one who is passionate about performance, willing to invest in maintenance, and comfortable with the challenges of owning an older, high-performance motorcycle. For most riders, however, a newer or lower-maintenance alternative may offer a better balance of enjoyment and practicality. If you decide to proceed, prioritize thorough inspection, budgeting, and realistic expectations to ensure a positive ownership experience.

Details:

The Screaming Eagle EFI Race Tuner Kit is specifically designed for Harley-Davidson Softail and Dyna model's from the year 2004. Whether you are looking to improve the air intake or fuel delivery on your Harley-Davidson bike, this tuner kit is a reliable and high-quality choice consider. This kit, with the manufacturer part number 32107-01B, is compatible Screaming Eagle model and sure to enhance performance fuel delivery system of your motorcycle.

specifications cyclevintagee:

  • for models: Efi, Eagle, Softail, Dyna
  • for makes: Eagle, Harley
  • for years: 2004
  • brand: Harley-davidson
  • mpn: 32107-01b
  • compatible model: Screaming Eagle

general cyclevintagee:

  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
  • condition: Used

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  • credit card: Mastercard
  • wallet: Google-pay

seller cyclevintagee:

  • rating: 92.9%
  • # reviews: 73
  • city: Surprise, Arizona

returns cyclevintagee:

  • policy: No Returns

shipping cyclevintagee:

  • cost: $15.10
  • class: Standard
  • transit: 6-10 Days
  • service: USPS Ground Advantage
  • type: Calculated
  • carrier: USPS

offer cyclevintagee:

  • availability: In Stock
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • best offers: True
  • started: May 23, 2026
for models: efi, eagle, softail, dyna, for makes: eagle, harley, for years: 2004, compatible model: screaming eagle,
manufacturer: harley-davidson, category: motorcycle parts > motorcycle scooter parts accessories, sku: 22509228758112711,
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