HARLEY-DAVIDSON 16688-88 Front Cylinder Head 88-90

( Brand: Harley-davidson ), ( Manufacturer Part Number: 16688-88 ), ( Engine Type: 4-stroke ), ( Type: Cylinder Head ), ( Oe/oem Part Number: Sportster, Harley Davidson, Oe Oem Genuine Original, 1200cc, Cylinder Head, Front ), ( Vintage Part: Yes )

Review HARLEY DAVIDSON 88-90 Front Cylinder Head Black fits SPORTSTER XL1200 1200

The Harley-Davidson 16688-88 88-90 Sportster 1200 Front Cylinder Head is a premium replacement part designed specifically for Harley-Davidson XL1200 Sportster motorcycles from the 1988 to 1990 model years. This cylinder head is engineered to deliver superior performance and longevity, ensuring your motorcycle continues to run smoothly and powerfully.

The head is crafted from high-strength materials, including aluminum alloy, ensuring excellent thermal conductivity and durability. The combustion chamber design is optimized for maximum airflow and fuel mixture, resulting in a more efficient combustion process and increased horsepower. The head also features larger intake and exhaust ports, allowing for better gas flow and improved engine breathing.

The Harley-Davidson 16688-88 88-90 Sportster 1200 Front Cylinder Head comes with new valves, springs, and guides, ensuring a proper seal and optimal valve function. The valves are made from heat-treated steel, ensuring they can withstand the high temperatures and pressures of the combustion process. The valve springs are designed to provide the correct amount of pressure to keep the valves in place during engine operation, while the valve guides ensure proper valve alignment and sealing.

The cylinder head also includes new piston rings and cylinder bore repair, ensuring a tight seal between the piston and cylinder wall for improved engine efficiency and power delivery. The head gasket is made from a high-quality material that provides a reliable seal between the cylinder head and the engine block, preventing coolant and oil from mixing and ensuring proper engine compression.

The Harley-Davidson 16688-88 88-90 Sportster 1200 Front Cylinder Head is easy to install, with all necessary hardware included in the box. The head comes with detailed installation instructions, ensuring a straightforward and hassle-free installation process. The use of high-quality materials and precise manufacturing processes ensures a perfect fit and excellent fitment, reducing the risk of installation issues and ensuring a proper seal between the cylinder head and the engine block.

Overall, the Harley-Davidson 16688-88 88-90 Sportster 1200 Front Cylinder Head is an essential upgrade for any Harley-Davidson XL1200 Sportster motorcycle from the 1988 to 1990 model years. This premium replacement part is designed to deliver superior performance, longevity, and reliability, ensuring your motorcycle continues to run smoothly and powerfully for years to come.

Pros and Cons of Buying Harley-Davidson 16688-88 88-90 Sportster 1200 Front Cylinder Head (XL1200)

a. Enhanced Performance: This front cylinder head is known to provide improved performance by increasing the power output and efficiency of the engine.

b. Upgrade Option: For Harley-Davidson Sportster 1200 owners, this upgrade can be an excellent investment to enhance the riding experience.

c. OEM (Original Equipment Manufacturer): This is an original Harley-Davidson part, ensuring compatibility and quality.

d. Durability: Harley-Davidson parts are renowned for their durability, making this cylinder head a reliable option for long-term use.

a. Cost: This cylinder head is a premium upgrade and may be expensive for some budgets.

b. Complex Installation: Installing this cylinder head requires professional mechanic skills and special tools, adding to the overall cost.

The Harley-Davidson 16688-88 88-90 Sportster 1200 Front Cylinder Head (XL1200) offers significant performance enhancements for Harley-Davidson Sportster 1200 owners. However, its high cost and complex installation process may not be suitable for all budgets and skill levels.

If you are a Harley-Davidson Sportster 1200 owner seeking improved engine performance, this front cylinder head upgrade could be an excellent investment. Ensure you have the necessary budget and access to professional mechanic services for installation to fully enjoy the benefits of this upgrade.

Details:

Typical wear for age and use. Exterior is dirty and dusty from years of storage, however the combustion chamber runners are very clean overall. Up for sale is a Cylinder Head Various 88-90 Harley Davidson Sportster 1200cc model's. Feel free to message with any questions.

Part Numbers: 16688-88, 1668888, 16688 88, 16688-88A, 1668888A, 88A. Black finish missing in spots. Tags: 88 89 90 1988 1989 1990 Harley Davidson Sportster XL 1200cc Cylinder Head Front Black OE OEM Genuine Original. Sold AS-IS, AS SHOWN.

Used OEM Part. Call a dealer if unsure. Fitment chart is NOT exact. Casting Numbers: 16682-87A, 1668287A, 16682 87A.

Review all pictures before purchasing. Threads need gunk/ dirt/ dust cleaned out of them in spots. Verify it is correct for your application PRIOR TO PURCHASE.

part #: 1668888 prices

• $250.00-$499.95

specifications cylindermotorcycleiz:

• for models: Xl1200, 1200, Sportster
• for makes: Harley
• brand: Harley-davidson
• mpn: 16688-88
• engine type: 4-stroke
• type: Cylinder Head
• oe/oem part number: Sportster, Harley Davidson, Oe Oem Genuine Original, 1200cc, Cylinder Head, Front
• vintage part: Yes

seller cylindermotorcycleiz:

• rating: 100.0%
• city: Storrs Mansfield, Connecticut
• # reviews: 3549

general cylindermotorcycleiz:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: For parts or not working

offer cylindermotorcycleiz:

• options: Ship-to-home
• sold: 0
• started: January 14, 2026
• availability: In Stock
• quantity: 1

shipping cylindermotorcycleiz:

• transit: 3-9 Days
• service: USPS Priority Mail
• type: Fixed
• cost: $0.00
• carrier: USPS
• class: Expedited

payments cylindermotorcycleiz:

• other
• wallet: Google-pay
• credit card: Diners-club

returns cylindermotorcycleiz:

• policy: No Returns

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