HARLEY DAVIDSON Cylinder Heads Rocker Box Set 16682-71B/ 16684-71/ 17612-71 /rocker

( Brand: Harley Davidson ), ( Manufacturer Part Number: 16682-71B/ ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head Assembly ), ( Machine Type: Street Motorcycle ), ( Oe/oem Part Number: 16682-71b 16684-71 17612-71 ), ( Items Included: Bare Cylinder Heads Bare Rocker Boxs ), ( Material: Cast Iron, Aluminum ), ( Vintage Part: Yes ), ( Finish: Unfinished )

Review HARLEY DAVIDSON 16682-71b/ 16684-71/ Xl Cylinder Heads /rocker Box Set fits IRONHEAD SPORTSTER XLH XLCH 900 1957-71

Introducing the Harley-Davidson 1957-1971 Ironhead 900 Sportster XL, XLH, XLCH Cylinder Heads and Rocker Box Set, a must-have upgrade for any classic Harley-Davidson enthusiast. This authentic and meticulously crafted set is designed to deliver superior performance and unparalleled style to your vintage motorcycle.

The cylinder heads in this set, model numbers 16682-71B, 16684-71, and 16612-71, are engineered to provide enhanced power and torque for your Ironhead Sportster. Each head is carefully cast from premium aluminum alloy, ensuring durability and lightweight design. The exhaust ports have been optimized for improved gas flow, while the intake ports have been meticulously designed to maximize airflow for superior combustion efficiency.

The top edges of these cylinder heads feature classic Harley-Davidson fin designs, adding a touch of nostalgia and style to your bike. Each head comes with new valves, springs, and guides, ensuring a proper fit and reliable operation.

The rocker box set, model number 17612-71, is engineered to work seamlessly with the new cylinder heads, providing a secure and stable connection between the pushrods and the valves. The rocker boxes are precision-machined from high-quality steel, ensuring a perfect fit and long-lasting durability.

This set also includes new pushrods, rocker arms, and studs, ensuring a complete and comprehensive upgrade for your vintage Harley-Davidson Sportster. Each component is meticulously designed and manufactured to meet or exceed OEM specifications, ensuring a perfect fit and reliable operation.

Installing these new cylinder heads and rocker box set on your Harley-Davidson Ironhead Sportster XL, XLH, or XLCH will not only improve its performance but also enhance its overall appearance, making it a true head-turner on the road. Whether you're a weekend warrior or a dedicated collector, this set is an essential addition to your classic Harley-Davidson motorcycle.

Pros and Cons of Buying Harley-Davidson Ironhead 900 Sportster XL, XLH, XLCH Cylinder Heads/Rocker Box Set (16682-71b, 16684-71, 16612-71)

The Harley-Davidson Ironhead 900 Sportster XL, XLH, XLCH cylinder heads and rocker box set (referred to as the "set" hereafter) are popular upgrades among Harley-Davidson enthusiasts. This set can improve the performance and reliability of these classic motorcycles. In this analysis, we'll discuss the pros and cons of purchasing this set to help you make an informed decision.

1. Improved Performance: The Ironhead 900 Sportster cylinder heads are known for their increased flow rate, which allows for better combustion and, consequently, improved engine performance.

2. Enhanced Power: The higher flow rate results in increased power and torque, making the motorcycle more responsive and fun to ride.

3. Durability: The upgraded cylinder heads and rocker boxes are made from stronger materials, which can extend the lifespan of the engine and reduce the need for frequent repairs.

4. Better Fuel Economy: The improved combustion process may lead to better fuel economy, allowing riders to travel further on a single tank of gas.

5. Customization: Installing these upgraded parts is a popular customization choice among Harley-Davidson enthusiasts, adding value to the motorcycle and making it stand out from the crowd.

1. Cost: The Ironhead 900 Sportster cylinder heads and rocker box set can be expensive, particularly for those on a tight budget.

2. Installation Complexity: Installing the new parts can be a challenging process, requiring specialized tools and knowledge. Hiring a professional mechanic to install the set can add to the overall cost.

3. Potential Compatibility Issues: The set may not be compatible with all Harley-Davidson Ironhead 900 Sportster models. It is crucial to verify that the parts will fit your specific motorcycle before making a purchase.

4. Increased Maintenance: The upgraded parts may require more frequent maintenance to ensure optimal performance, which can add to the overall cost of ownership.

The Harley-Davidson Ironhead 900 Sportster XL, XLH, XLCH cylinder heads/rocker box set offers several benefits, including improved performance, enhanced power, durability, better fuel economy, and customization. However, it comes with some drawbacks, such as a high cost, installation complexity, potential compatibility issues, and increased maintenance.

If you are a Harley-Davidson enthusiast looking to enhance the performance, power, and customization of your Ironhead 900 Sportster, the cylinder heads and rocker box set may be worth considering. However, weigh the pros and cons carefully and ensure that the set is compatible with your motorcycle before making a purchase. If you lack the necessary tools and expertise to install the set, consider hiring a professional mechanic to minimize potential issues.

Details:

These authentic OEM parts are perfect for restoring classic Harley motorcycles from the specified years. This product is a set of vintage 1957-71 Harley Ironhead 900 Sportster XL XLH XLCH cylinder heads and rocker boxes. Made by Harley Davidson, these bare cylinder heads and rocker boxes are designed for 4-stroke street motorcycles. See last picture.

The set includes cylinder heads and rocker boxes, all made of aluminum cast iron with an unfinished finish.

part #: 1668271b prices

• $124.95-$174.99

specifications cylindermotorcycleiz:

• for models: Xlh, Xlch, 900, Ironhead, Sportster
• for makes: Harley
• for years: 1957-71
• brand: Harley Davidson
• mpn: 16682-71b/
• engine type: 4-stroke
• type: Cylinder Head Assembly
• machine type: Street Motorcycle
• oe/oem part number: 16682-71b 16684-71 17612-71
• items included: Bare Cylinder Heads Bare Rocker Boxs
• material: Cast Iron, Aluminum
• vintage part: Yes
• finish: Unfinished

returns cylindermotorcycleiz:

• policy: No Returns

payments cylindermotorcycleiz:

• credit card: Mastercard
• wallet: Apple-pay
• other

seller cylindermotorcycleiz:

• rating: 100.0%
• # reviews: 1603
• city: Oak Hill, Florida

shipping cylindermotorcycleiz:

• type: Fixed
• cost: $62.20
• transit: 6-12 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS

offer cylindermotorcycleiz:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• quantity: 1
• started: November 7, 2025

general cylindermotorcycleiz:

• condition: Used
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

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