1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12619885034883713
  3. HARLEY DAVIDSON 16681-71

HARLEY-DAVIDSON 16681-71 Rear Front Set Heads

fits model: 1000, Sportster, Ironhead. make: Harley. year: 1976.

16681-71 Harley-davidson 1976 Sportster Ironhead 1000 Original Set Of Front / Rear Heads

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16681-71 ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head ), ( Machine Type: Street Motorcycle ), ( Oe/oem Part Number: 16683-71 ), ( Items Included: Bolts ), ( Material: Cast Iron ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( California Prop 65 Warning: C Prop ), ( Performance Part: No )

Review HARLEY DAVIDSON Original Set Of Front Rear Heads fits SPORTSTER IRONHEAD 1000 1976

Introducing the Harley-Davidson 16681-71 Ironhead 1000 Set, a must-have for any dedicated Harley-Davidson Sportster enthusiast. This set includes both the front and rear cylinder heads from a 1976 Harley-Davidson Sportster with the iconic Ironhead engine.

The front cylinder head, part number 16681, is a work of art in its own right. It showcases the classic Harley-Davidson design with its intricate porting and combustion chamber layout. The head is machined to precise specifications to ensure optimal air and fuel flow to the engine for maximum power and efficiency. The cylinder head is also designed with a robust construction to withstand the rigors of daily riding.

The rear cylinder head, part number 71, is equally impressive. It features the same classic design and meticulous attention to detail as the front cylinder head. The combustion chamber and porting are carefully machined to provide the best possible power output and fuel economy. The head is also constructed from high-quality materials to ensure durability and longevity.

This set is ideal for those restoring a vintage Harley-Davidson Sportster or building a custom bike from scratch. Each cylinder head comes in excellent condition, with minimal signs of wear or damage. They are also compatible with other 1976-1985 Harley-Davidson Sportster models with the same engine configuration, making them a versatile addition to any garage or workshop.

Investing in the Harley-Davidson 16681-71 Ironhead 1000 Set means investing in a piece of motorcycling history. These cylinder heads are not only functional components but also beautiful examples of Harley-Davidson engineering and design. So, whether you're a seasoned mechanic or a passionate collector, this set is a worthy addition to your Harley-Davidson collection.

Pros and Cons of Buying Harley-Davidson 1976 Sportster Ironhead 1000 Set Front Rear Heads

The Harley-Davidson 1976 Sportster Ironhead 1000 set front rear heads are popular upgrades for classic Harley-Davidson Sportster motorcycles. These heads offer improved performance and aesthetics. In this analysis, we will discuss the advantages and disadvantages of buying these heads.

Pros:

1. Improved Power: The Ironhead 1000 set provides a significant power upgrade. With larger intake and exhaust ports, these heads allow for more air and fuel to enter the engine, leading to increased horsepower and torque.

2. Enhanced Sound: The Ironhead 1000 set produces a distinct and powerful exhaust note. The larger ports and increased flow contribute to a more robust engine sound, which many riders find appealing.

3. Authentic Look: The Ironhead 1000 set has a classic, vintage appearance that is highly desirable among Harley-Davidson enthusiasts. These heads bring your bike closer to its original look and feel.

4. Durability: The Ironhead engine design is known for its robustness and durability. These heads are made from high-quality materials and are designed to withstand the rigors of regular use.

Cons:

1. Cost: The Harley-Davidson Ironhead 1000 set front rear heads are a premium upgrade, and the price reflects that. They can be a significant investment for some riders.

2. Installation Complexity: Installing these heads requires a good deal of mechanical expertise. If you are not experienced in engine work, it is recommended to hire a professional mechanic to ensure proper installation.

3. Compatibility: These heads are specifically designed for the Harley-Davidson Sportster Ironhead engine. They may not be compatible with other models or engines.

Conclusion:

The Harley-Davidson 1976 Sportster Ironhead 1000 set front rear heads offer a significant power upgrade, enhanced sound, and an authentic, vintage look. However, they come with a premium price tag, installation complexity, and potential compatibility limitations.

Recommendation:

If you are a Harley-Davidson enthusiast and are looking for a significant performance upgrade for your classic Sportster Ironhead, the 1000 set front rear heads are an excellent investment. Ensure you have the necessary mechanical expertise or hire a professional to install them. If you are unsure about the investment or are riding a different model, consider other performance upgrades that may better suit your needs.

Details:

16681-71 / 16683-71, came off running bike good condition valves are had no smoke broken fins, not bent, cracked, or repairs. This is a nice set of original 1000cc Harley-Davidson Ironhead Sportster heads came off in 1976 XLH.

part #: 1668171 price

  • $150.00

specifications cylindermotorcycleiz:

  • for models: 1000, Sportster, Ironhead
  • for makes: Harley
  • for years: 1976
  • brand: Harley-davidson
  • mpn: 16681-71
  • engine type: 4-stroke
  • type: Cylinder Head
  • machine type: Street Motorcycle
  • oe/oem part number: 16683-71
  • items included: Bolts
  • material: Cast Iron
  • country/region of manufacture: United States
  • vintage part: Yes
  • california prop 65 warning: C Prop
  • performance part: No

shipping cylindermotorcycleiz:

  • carrier: USPS
  • transit: 3-10 Days
  • type: Fixed
  • service: USPS Ground Advantage
  • class: Standard
  • cost: $49.00

offer cylindermotorcycleiz:

  • options: Ship-to-home
  • quantity: 1
  • started: October 8, 2025
  • availability: In Stock
  • sold: 0

returns cylindermotorcycleiz:

  • policy: No Returns

payments cylindermotorcycleiz:

  • other
  • wallet: Paypal
  • credit card: Discover

seller cylindermotorcycleiz:

  • rating: 93.8%
  • city: Kemp, Texas
  • # reviews: 14

general cylindermotorcycleiz:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
for models: 1000, sportster, ironhead, for makes: harley, for years: 1976, engine type: 4-stroke, type: cylinder head, machine type: street motorcycle, oe/oem part number: 16683-71, items included: bolts, country/region of manufacture: united states, vintage part: yes, california prop 65 warning: c prop, performance part: no,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, material: cast iron, sku: 12619885034883713,
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1 offer $150.00 USD
  • Used. Offer #1 priced at $150.00 + $14.99 shipping estimate = $164.99* total. +$14.99 shipping

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