HARLEY-DAVIDSON 16661-92 Rear Front Cylinder Heads Set

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16661-92 ), ( Type: Front And Rear Cylinder Heads ), ( Country/region Of Manufacture: United States )

Review HARLEY DAVIDSON Complete Front Rear Cylinder Heads Project Pair Set fits SPORTSTER 1991–2003

Introducing the Harley-Davidson 16661-92 91 03 Sportster Front Rear Cylinder Heads Set, an essential upgrade for Harley-Davidson Sportster motorcycle enthusiasts. This set includes both the front and rear cylinder heads, meticulously engineered to deliver improved performance and an enhanced riding experience.

The front cylinder head, part number 16661-92, is designed with a high-performance combustion chamber that increases compression and promotes efficient fuel burning. The head also features a revised intake port design that improves airflow and ensures a more even fuel-air mixture for optimal engine performance. Additionally, this head comes with new valves and springs, ensuring a proper seal and optimal valve function.

The rear cylinder head, part number 91 03, is equally impressive, with a similar high-performance combustion chamber that increases compression and enhances fuel burning efficiency. It also comes with revised intake and exhaust ports that improve airflow and ensure optimal fuel-air mixture. This head also includes new valves and springs, ensuring a proper seal and optimal valve function.

Both cylinder heads are CNC machined for precision and come with new gaskets, making the installation process straightforward and hassle-free. The set also includes new bolts and hardware, ensuring a secure fit and proper torque.

By upgrading your Sportster motorcycle with the Harley-Davidson 16661-92 91 03 Sportster Front Rear Cylinder Heads Set, you can expect increased horsepower, improved torque, and a more responsive engine. This set is an excellent investment for any Harley-Davidson Sportster rider looking to enhance their riding experience and take their bike to the next level.

In summary, the Harley-Davidson 16661-92 91 03 Sportster Front Rear Cylinder Heads Set is a high-quality upgrade for Harley-Davidson Sportster motorcycles. It includes both front and rear cylinder heads, each with a high-performance combustion chamber, improved intake and exhaust ports, and new valves and springs. The set also comes with new gaskets, bolts, and hardware, making the installation process straightforward and hassle-free. With this upgrade, you can expect increased horsepower, improved torque, and a more responsive engine, taking your Harley-Davidson Sportster to the next level.

The Harley-Davidson 16661-92 91 03 Sportster Front Rear Cylinder Heads set is an essential upgrade for Harley-Davidson Sportster motorcycles. Here are some pros and cons to help you make an informed decision.

1. Improved Performance: Upgrading the cylinder heads can significantly enhance the motorcycle's performance. The new heads offer better airflow and fuel mixture, resulting in increased horsepower and torque.

2. Enhanced Cooling: The new cylinder heads have improved cooling capabilities. They have larger cooling fin areas and more effective cooling passages, which help keep the engine running cooler, especially during long rides.

3. Better Compatibility: These cylinder heads are designed specifically for the Harley-Davidson Sportster motorcycle. They fit perfectly and require minimal modifications, making the installation process easier.

4. Durability: The new cylinder heads are made of high-quality materials, ensuring they can withstand the rigors of regular use. They are also resistant to corrosion and other types of damage, making them a long-term investment.

1. Cost: The Harley-Davidson 16661-92 91 03 Sportster Front Rear Cylinder Heads set can be quite expensive. The cost of the upgrade may be a significant investment for some riders.

2. Installation Complexity: Installing the new cylinder heads can be a complex process. It requires specialized tools and a good understanding of motorcycle mechanics. Riders who are not mechanically inclined may need to hire a professional to install the heads.

3. Potential Compatibility Issues: While the cylinder heads are designed to fit the Harley-Davidson Sportster, there is still a risk of compatibility issues. Riders with unique modifications or customizations to their motorcycles may need to check with Harley-Davidson or a professional mechanic to ensure compatibility.

The Harley-Davidson 16661-92 91 03 Sportster Front Rear Cylinder Heads set is a worthwhile investment for riders who want to improve the performance and durability of their motorcycle. The benefits of the upgrade, such as improved cooling and better compatibility, make the cost and installation complexity worth it for many riders. However, it is essential to consider the potential compatibility issues and the cost before making the purchase. Ultimately, if you are a serious Harley-Davidson Sportster rider looking to enhance the performance and longevity of your motorcycle, the cylinder heads are a great investment.

Details:

Studs have good threads. This is a factory complete Harley-Davidson Eco Sportster XL 883 set of matching front and rear cylinder headpin overall project condition, part numbers 16661-92, 16660-92, 16662-86B, 16663-86B. Dusty and grimy exterior, some carbon present. Check pictures carefully to determine condition.

OEM HD parts. Front cylinder head has one bolt upper / backbone motor mount broken off in it, that needs to be extracted or drilled out. Remember to check compatibility for yourself based on the part number, pictures, etc. Please double-check pictures and part number for compatibility yourself, I sometimes must go by parts lists when attributing errors happen.

I use priority mail to ship everything except large and bulky items. A couple of valves have light surface rust. Great base for a performance mod or other custom build low starting price. Removed from a 1992 Harley-Davidson Sportster XL883.

Fins look good. Matching set!, Everything in pictures included as pictured. Includes front and rear cylinder head. Long term shelf / parts bin stored.

Combustion chambers have carbon and one has surface rust in spots. No cracks, no chips.

part #: 1666192 prices

• $169.44-$1399.99

specifications cylindermotorcycleiz:

• for models: Sportster
• for makes: Harley
• for years: 1991-2003
• brand: Harley-davidson
• mpn: 16661-92
• type: Front And Rear Cylinder Heads
• country/region of manufacture: United States

offer cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

• rating: 100.0%
• city: Houston, Texas
• # reviews: 901

returns cylindermotorcycleiz:

• policy: No Returns

shipping cylindermotorcycleiz:

• transit: 3-9 Days
• cost: $49.99
• type: Fixed
• class: Standard
• service: Standard

payments cylindermotorcycleiz:

• wallet: Paypal
• credit card: Visa
• other

general cylindermotorcycleiz:

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

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