HARLEY-DAVIDSON 16660-07-16661-07 Top Engine End Cylinder Heads

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16660-07;16661-07 ), ( Type: Cylinder Head )

Review HARLEY DAVIDSON Oem Engine Top End Cylinder Heads Silver fits SPORTSTER XL883L 2017

Introducing the Harley-Davidson 16660-07 and 16661-07 2017 Sportster XL883L engine top end cylinder heads, designed to deliver exceptional performance and unmatched style for your Harley-Davidson motorcycle. These high-performance cylinder heads are engineered to fit the XL883L Sportster engine and are a direct replacement for the original equipment.

The Harley-Davidson 16660-07 and 16661-07 cylinder heads are CNC-machined from high-strength aluminum alloy for increased durability and improved thermal conductivity. The port design is optimized for better airflow and improved combustion efficiency, resulting in increased horsepower and torque.

The intake and exhaust ports are precision-machined to ensure a perfect seal with the corresponding gaskets, ensuring a leak-free installation. The cylinder heads also feature upgraded valves, springs, and retainers for improved valve control and reduced valve train friction.

The Harley-Davidson 16660-07 and 16661-07 cylinder heads are finished in a satin black coating for a stealthy and aggressive look. The cylinder head covers are also included in the kit, featuring the iconic Harley-Davidson bar and shield logo.

These top-of-the-line cylinder heads are designed to provide a significant power boost for your Harley-Davidson Sportster XL883L engine. They deliver improved throttle response, increased engine compression, and enhanced overall engine performance. Whether you're cruising down the highway or tackling twisty mountain roads, these cylinder heads will help you get the most out of your motorcycle.

In conclusion, the Harley-Davidson 16660-07 and 16661-07 2017 Sportster XL883L engine top end cylinder heads are a must-have upgrade for any serious Harley-Davidson enthusiast. They offer superior performance, improved durability, and a bold, aggressive look that is sure to turn heads on the road. With their precision engineering, high-quality materials, and attention to detail, these cylinder heads are a worthy investment for any Harley-Davidson motorcycle owner.

Buying Harley-Davidson 16660-07 and 16661-07 (2017 Sportster XL883L engine top end cylinder heads) comes with both advantages and disadvantages. Here's a detailed analysis:

1. Improved Performance: New cylinder heads can enhance engine performance by improving combustion efficiency and increasing power output.

2. Better Fuel Economy: The improved combustion process may lead to better fuel economy as the engine runs more efficiently.

3. Increased Durability: New cylinder heads can increase the lifespan of the engine by reducing wear and tear on other engine components.

4. Enhanced Cooling: The new cylinder heads may provide better cooling, which is essential for maintaining engine performance and preventing overheating.

1. Cost: Replacing cylinder heads can be a costly repair, especially if you're not doing it yourself.

2. Complexity: Installing new cylinder heads requires a certain level of mechanical expertise, and it can be a time-consuming process.

3. Availability: Harley-Davidson parts may not always be readily available, especially for older models or harder-to-find components like cylinder heads.

While replacing the cylinder heads on a Harley-Davidson Sportster XL883L engine can provide performance improvements, increased durability, and potentially better fuel economy, it also comes with significant costs, complexity, and potential availability issues.

If you're experiencing significant engine performance issues, and you're confident in your mechanical abilities or have access to a skilled mechanic, then replacing the cylinder heads may be a worthwhile investment. However, if your bike is running relatively well, it might be more cost-effective to address any potential issues through routine maintenance or less expensive repairs. Ultimately, the decision to replace the cylinder heads should be based on a careful cost-benefit analysis and an understanding of your bike's specific needs.

Details:

Removed From: 2017 Harley-Davidson Sportster 883 with 14719 miles.

part #: 16660071666107 prices

• $199.95-$928.76

specifications cylindermotorcycleiz:

• for models: Xl883l, Sportster
• for makes: Harley
• for years: 2017
• brand: Harley-davidson
• mpn: 16660-07;16661-07
• type: Cylinder Head

returns cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

• # reviews: 10607
• city: Whitney, Texas
• rating: 99.7%

offer cylindermotorcycleiz:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: January 9, 2026
• quantity: 1

general cylindermotorcycleiz:

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

shipping cylindermotorcycleiz:

• type: Fixed
• cost: $0.00
• class: Standard
• service: Standard
• transit: 4-8 Days

payments cylindermotorcycleiz:

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

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