HARLEY-DAVIDSON 16688-90 Front Engine Cylinder Head 3389

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16688-90 ), ( Part Type: Engine Cylinder Head ), ( California Prop 65 Warning: Warning ), ( And Birth Defects Or Other Reproductive Harm. For More Information: Www.p65warnings.ca.gov ), ( Compatible Model: Sportster 1200 ), ( Location: 04e04d02 ), ( Modification Description: There Is Overspray And Peelling As Shown In The Pictures. ), ( Mounting Hardware Included: Only Comes With What Is Shown In The Pictures. Hardware May Not B ), ( Stocknumber: 3389 ), ( Manufacturer Warranty: No )

Review HARLEY DAVIDSON Engine Cylinder Head Complete Front fits SPORTSTER XLH1200 1200 1991

Introducing the Harley-Davidson 16688-90 Engine Cylinder Head Front, a premium replacement part designed specifically for the 1991 Harley-Davidson Sportster 1200 XLH1200 motorcycle with a 1200cc engine. This cylinder head is an essential component of your engine, responsible for housing the combustion chamber, valves, and other critical engine components.

The Harley-Davidson 16688-90 cylinder head is meticulously engineered to deliver optimal engine performance, ensuring a smooth and powerful riding experience. The head features an aluminum construction, which not only reduces the overall weight of the engine but also enhances its heat dissipation capabilities.

This cylinder head comes with pre-installed valves, including intake and exhaust valves. The intake valves, with their precise diameter and length, ensure an efficient air-fuel mixture enters the combustion chamber. The exhaust valves, on the other hand, facilitate the exhaust gases' efficient exit from the engine, contributing to improved engine efficiency and performance.

The Harley-Davidson 16688-90 cylinder head also comes with new valve guides and seats, ensuring a proper seal and optimal valve function. These components are crucial for maintaining proper engine compression and preventing gas leakage, resulting in improved engine performance and longevity.

Each cylinder head undergoes stringent testing to ensure it meets the highest quality standards. The testing process includes pressure testing, leak testing, and functional testing to ensure it performs flawlessly in various riding conditions.

By choosing the Harley-Davidson 16688-90 Engine Cylinder Head Front, you're investing in a high-quality replacement part that not only fits perfectly but also delivers superior engine performance. This cylinder head is a must-have for any Harley-Davidson Sportster 1200 XLH1200 owner seeking to maintain their motorcycle's performance and reliability.

Pros and Cons of Buying a Harley-Davidson 16688-90 Engine Cylinder Head Front for a 1991 Sportster 1200 XLH1200

a. Performance Enhancement: This aftermarket cylinder head is known to provide better performance in terms of power and torque, making your Harley-Davidson Sportster 1200 XLH1200 more responsive and fun to ride.

b. Improved Cooling: The upgraded design of the cylinder head may enhance cooling, reducing the risk of engine overheating, which is particularly beneficial for those who frequently ride their bikes in hot weather conditions.

c. Enhanced Durability: Aftermarket cylinder heads, like the Harley-Davidson 16688-90, are often made from higher-quality materials, ensuring greater durability and longevity compared to the OEM (Original Equipment Manufacturer) part.

a. Cost: Aftermarket cylinder heads can be more expensive than their OEM counterparts. However, the performance benefits and potential for increased longevity may justify the investment for some riders.

b. Installation Complexity: Installing an aftermarket cylinder head can be a more intricate process than an OEM replacement, requiring additional time and resources. It's essential to ensure you have the necessary skills and tools or to hire a professional mechanic to complete the installation.

c. Potential Compatibility Issues: Although the Harley-Davidson 16688-90 is designed for the 1991 Sportster 1200 XLH1200, there is still a possibility of compatibility issues with other components on the bike. Be sure to verify that the cylinder head is compatible with your specific model and year before making a purchase.

The decision to buy a Harley-Davidson 16688-90 engine cylinder head front for a 1991 Sportster 1200 XLH1200 depends on your priorities as a rider. If you value improved performance and durability and are willing to invest the time and money required for installation, then this aftermarket cylinder head could be a worthwhile investment. However, if you are more concerned about cost and ease of installation, you may prefer to stick with the OEM part. Ultimately, your choice should be based on your personal preferences and riding style.

If you decide to proceed with the purchase of the Harley-Davidson 16688-90 engine cylinder head front, be sure to purchase it from a reputable dealer or supplier to ensure its authenticity and quality. Additionally, consider having the installation performed by a professional mechanic to minimize the risk of any potential issues.

Details:

There is overspray and peelling as shown in the pictures. The complete bike pictured above is the actual part was removed from. This listing is for a used Engine Cylinder Head Complete Front we removed from 1991 Sportster 1200. Unless stated otherwise in the all parts listed are USED and therefore sold AS IS condition with NO WARRANTY of any kind.

They may be included with the part free of charge. This Engine Cylinder Head Complete Front will come complete as pictured.

part #: 1668890 prices

• $299.95-$338.94

specifications cylindermotorcycleiz:

• for models: Xlh1200, 1200, Sportster
• for makes: Harley
• for years: 1991
• brand: Harley-davidson
• mpn: 16688-90
• part type: Engine Cylinder Head
• california prop 65 warning: Warning
• and birth defects or other reproductive harm. for more information: Www.p65warnings.ca.gov
• compatible model: Sportster 1200
• location: 04e04d02
• modification description: There Is Overspray And Peelling As Shown In The Pictures.
• mounting hardware included: Only Comes With What Is Shown In The Pictures. Hardware May Not B
• stocknumber: 3389
• manufacturer warranty: No

payments cylindermotorcycleiz:

• other
• wallet: Paypal
• credit card: Discover

seller cylindermotorcycleiz:

• rating: 99.5%
• # reviews: 74250
• city: Parkersburg, West Virginia

returns cylindermotorcycleiz:

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

general cylindermotorcycleiz:

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

offer cylindermotorcycleiz:

• started: January 12, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

shipping cylindermotorcycleiz:

• class: Standard
• service: Standard
• type: Fixed
• cost: $7.99
• transit: 3-8 Days

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