1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 21302573230240813
  3. HARLEY DAVIDSON 40657-71

HARLEY-DAVIDSON 40657-71 Front End Kmodel 33.4MM

fits model: Chopper, Shovelhead. make: Harley.

40657-71 Harley-davidson Chopper 33.4mm Front End Chrome Motorcycle Parts Shovelhead Kmodel

( Brand: Harley-davidson ), ( Manufacturer Part Number: 40657-71 ), ( Manufacturer Warranty: 1 Year ), ( Item Diameter: 35 Mm ), ( Material: Chrome ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Placement On Vehicle: Front )

Review HARLEY DAVIDSON 33.4mm Front End Chrome Motorcycle Parts Model fits SHOVELHEAD CHOPPER

The **Harley-Davidson 40657-71 Chopper 33.4mm Front End Shovelhead K-Model** is a meticulously engineered, high-performance replacement shovel for the iconic Shovelhead engine, designed to elevate both the aesthetic and mechanical prowess of your classic Harley-Davidson. Crafted from premium, heat-treated steel, this shovel is forged to exacting standards, ensuring unmatched durability and resistance to warping or distortion under the demanding conditions of high-performance riding. The **33.4mm** design strikes a perfect balance between power and refinement, allowing for optimal airflow while maintaining the timeless, aggressive stance of the Shovelhead s legendary "chopper" look. This part is specifically tailored for the **K-Model** Shovelhead engines, which include the **1984 1993 Harley-Davidson Sportster 883cc and 1200cc models**, as well as select **Electra Glide and Dyna Glide** variants, making it a versatile upgrade for both street and custom builds. Beyond its functional brilliance, the shovel s sleek, angular contours and precise machining contribute to a sharper, more aggressive front-end profile, enhancing the bike s visual impact while improving throttle response and engine breathing. Whether you're restoring a vintage ride to its former glory or pushing the boundaries of a custom chopper, this shovel delivers the perfect blend of heritage, performance, and head-turning style. Built to Harley-Davidson s rigorous specifications, it s a must-have component for enthusiasts seeking to preserve or enhance the raw, unfiltered spirit of the Shovelhead era.

### **Pros and Cons of Buying a Harley-Davidson 40657-71 Chopper (33.4mm Front End, Shovelhead, K-Model)**

#### **Pros:**

1. **Classic Shovelhead Engine** The Shovelhead is a legendary Harley engine known for its durability, torque, and timeless sound. It s a well-proven design that has stood the test of time, making it a favorite among enthusiasts.

2. **Chopper Modifications** The bike is already built as a chopper, which means it has a lower seat height, stretched-out frame, and likely a more relaxed riding position compared to a standard Harley. This makes it more comfortable for shorter riders and those who prefer a cruiser-style posture.

3. **K-Model Upgrades** The K-Model designation indicates that the bike has been updated with modern components, including improved suspension, brakes, and electrical systems. This makes it more reliable and easier to maintain than a fully vintage Shovelhead.

4. **Strong Community & Parts Availability** As a classic Harley, the Shovelhead has a large owner community, making it easier to find parts, modifications, and support. There are also aftermarket options for upgrades like exhausts, handlebars, and suspension.

5. **Nostalgia & Collectibility** Shovelheads, especially choppers, are highly sought-after by collectors and enthusiasts. Owning one can be a point of pride and may appreciate in value over time, depending on condition and rarity.

6. **Customization Potential** The bike s chopper modifications allow for further personalization, such as longer forks, custom paint, or engine swaps (e.g., Evolution or Twin Cam). This makes it a great platform for building a truly unique machine.

7. **Lower Seat Height** The chopper modifications typically include a lowered seat, making it more accessible for riders who may struggle with the taller seats on standard Harleys.

8. **Good for Short-Trip Riding** The relaxed posture and lower seat height make it ideal for city riding, short commutes, or weekend cruising rather than long-distance touring.

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#### **Cons:**

1. **Age & Wear** Even as a K-Model, the Shovelhead is an older design (originally produced from 1970 1985). While the K-Model updates help, some components (like the carburetors, ignition, and suspension) may still require more maintenance than modern bikes.

2. **Fuel Injection Limitations** The Shovelhead relies on carburetors, which are less efficient and more prone to tuning issues compared to modern fuel-injected engines. This can lead to higher fuel consumption and potential drivability problems.

3. **Rust & Frame Issues** Many older Harleys suffer from rust, especially in the frame and swingarm. A thorough inspection is crucial to avoid buying a bike with structural weaknesses.

4. **Limited Power & Performance** The Shovelhead produces around 60 70 horsepower, which is adequate for a cruiser but lacks the punch of modern Harley engines (e.g., Twin Cam or Milwaukee-Eight). For those seeking high-speed performance, it may feel underpowered.

5. **Higher Maintenance Costs** Older Harley parts can be expensive, and labor costs for repairs may be higher than on newer bikes. The bike may require more frequent tune-ups, valve adjustments, and carburetor cleaning.

6. **Riding Position & Comfort** While the chopper modifications improve comfort, the overall riding position is still more upright than a modern low-slung cruiser. Long rides may lead to fatigue in the back and neck.

7. **Resale Value** While some Shovelheads appreciate, others depreciate quickly, especially if they re heavily modified or in poor condition. The chopper modifications may not add as much value as stock or highly sought-after models.

8. **Noise & Vibration** The Shovelhead is loud and has significant vibration, which can be uncomfortable over long distances. Modern bikes have better sound insulation and smoother rides.

9. **Limited Modern Tech** Unlike newer Harleys, this bike lacks features like traction control, ABS, or advanced electronics. Safety and convenience may be compromised compared to modern cruisers.

10. **Finding a Reliable Example** Many Shovelheads have been neglected or poorly maintained. Buying one requires careful inspection or purchasing from a trusted seller to avoid hidden issues.

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### **Conclusion:**

The Harley-Davidson 40657-71 Chopper (Shovelhead, K-Model) is a fantastic choice if you value **classic Harley heritage, customization potential, and a relaxed cruiser experience**. It s ideal for riders who enjoy the **timeless sound, simplicity, and community** of older Harleys while benefiting from some K-Model updates. However, it s not the best option for those seeking **modern performance, low maintenance, or long-distance comfort**.

This bike is best suited for:

- Enthusiasts who appreciate vintage Harley design.

- Riders who prioritize **modification and personalization**.

- Those who plan to **maintain it regularly** and enjoy the classic riding experience.

- Buyers who can **afford potential repair costs** and don t mind some extra upkeep.

If you re looking for a **more modern, low-maintenance, or high-performance** Harley, a newer model (e.g., Softail, Touring, or Sportster) might be a better fit.

### **Recommendation:**

If you re set on this bike, **inspect it thoroughly** (or have a mechanic do so) to check for rust, engine condition, and suspension integrity. Consider **budgeting for maintenance** and be prepared to invest in upgrades if needed. For a first-time buyer, it s wise to start with a **well-documented, low-mileage example** from a reputable seller.

Ultimately, if you love the **Shovelhead s character and chopper aesthetic**, it s a rewarding purchase. If you prefer **modern convenience and reliability**, look elsewhere.

Details:

With rare Chopper triple tree. Fresh rebuild and fully functional as is for a crusty chop. A little on the crusty side as far tubes go. Custom K model lower conversion to early 70s super glide fork tubes measuring 22-3/4 inches for use of the later dampener.

part #: 4065771 price

  • $650.00

specifications cyclevintagee:

  • for models: Chopper, Shovelhead
  • for makes: Harley
  • brand: Harley-davidson
  • mpn: 40657-71
  • manufacturer warranty: 1 Year
  • item diameter: 35 Mm
  • material: Chrome
  • vintage part: Yes
  • universal fitment: No
  • placement on vehicle: Front

offer cyclevintagee:

  • availability: In Stock
  • best offers: True
  • quantity: 1
  • started: March 22, 2026
  • sold: 0
  • options: Ship-to-home

shipping cyclevintagee:

  • cost: $132.55
  • type: Calculated
  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • transit: 5-11 Days

general cyclevintagee:

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

payments cyclevintagee:

  • credit card: Discover
  • wallet: Apple-pay
  • money order
  • other

seller cyclevintagee:

  • city: Brooklyn, New York
  • # reviews: 63
  • rating: 100.0%

returns cyclevintagee:

  • policy: No Returns
for models: chopper, shovelhead, for makes: harley, manufacturer warranty: 1 year, item diameter: 35 mm, vintage part: yes, universal fitment: no, placement on vehicle: front,
category: motorcycle parts > motorcycle scooter parts accessories, material: chrome, sku: 21302573230240813,
Harley-davidson 40657-71 Is Similar To:
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1 offer $650.00 USD
  • Used. Offer #1 priced at $650.00 + $118.52 shipping estimate = $768.52* total. With rare chopper triple tree. Custom K model lower conversion to early 70s superglide fork tubes measuring 22-3/4 inches for use of the later model dampner.+$118.52 shipping

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