HARLEY-DAVIDSON 25700983 Top End Kit 117

( Brand: Harley-davidson ), ( Manufacturer Part Number: 25700983 )

Review HARLEY DAVIDSON Oem 117 Top End Kit

The Harley-Davidson 25700983 117 Top End Kit is an essential upgrade for Harley-Davidson motorcycle enthusiasts seeking to enhance the performance and power of their engines. This top end kit is specifically designed for Harley-Davidson Touring models with the Twin Cam 117 engine.

The kit includes new cylinder heads, pistons, piston rings, and other critical components. Each cylinder head comes with factory-installed valves and springs, ensuring a precise fit and optimal engine performance. The pistons are forged from high-strength aluminum alloy, providing increased durability and increased compression ratio for improved power output. The piston rings are made from a high-performance material that ensures a proper seal, reducing blow-by and enhancing combustion efficiency.

Installing this top end kit in your Harley-Davidson motorcycle will result in increased horsepower and torque, making your bike more responsive and faster. Additionally, the upgraded components will help improve fuel efficiency, allowing you to travel farther between fill-ups.

This top end kit also includes new cylinder head gaskets, head bolts, and valve covers, ensuring a complete and comprehensive upgrade for your engine. The new gaskets provide a perfect seal between the cylinder head and the engine block, preventing coolant and oil leaks. The head bolts are designed to provide a secure fit and prevent engine movement during operation, ensuring optimal engine performance and longevity. The new valve covers add a stylish touch to your engine bay and protect the critical components from the elements.

In summary, the Harley-Davidson 25700983 117 Top End Kit is a must-have upgrade for Harley-Davidson Touring motorcycle owners seeking to enhance their engine's performance and power. The new components, including cylinder heads, pistons, piston rings, and other essential parts, will provide increased horsepower, torque, and fuel efficiency, making your bike more responsive and faster. The complete kit includes everything you need for a successful installation, including new gaskets, head bolts, and valve covers.

Pros and Cons of Buying Harley-Davidson 25700983 117 Top End Kit

The Harley-Davidson 25700983 117 Top End Kit is an aftermarket performance upgrade designed to increase the horsepower and torque of Harley-Davidson motorcycles. Like any other purchase, it comes with its advantages and disadvantages. In this analysis, we will discuss the potential pros and cons of investing in this top end kit.

1. Increased Performance: The primary reason for buying this kit is to boost the performance of your Harley-Davidson motorcycle. The increased horsepower and torque can result in improved acceleration and top speed.

2. Enhanced Riding Experience: The top end kit can make your Harley-Davidson feel more responsive and exhilarating, which can lead to a more enjoyable riding experience.

3. Customization: This kit is an excellent option for Harley-Davidson enthusiasts who want to personalize their bikes and stand out from the crowd.

4. Reliability: Harley-Davidson is a well-known brand, and this top end kit is specifically designed for their motorcycles. It is manufactured to meet the high-performance standards of the brand, ensuring reliability and durability.

5. Cost-Effective: Compared to buying a new motorcycle, investing in a top end kit can be a cost-effective solution for those who want to enhance the performance of their existing bike.

1. Expense: The Harley-Davidson 25700983 117 Top End Kit can be quite expensive, which may not be within the budget of all Harley-Davidson owners.

2. Installation Complexity: Installing this kit requires a certain level of mechanical expertise, and it may not be a straightforward process for those without experience in motorcycle engine modifications.

3. Potential Warranty Issues: Installing aftermarket parts like this top end kit may void your Harley-Davidson's factory warranty, depending on the terms and conditions of your specific warranty.

4. Risk of Damage: Any engine modification comes with the risk of damaging the engine or other components if not installed correctly. Proper installation is crucial to ensure the longevity and safety of your motorcycle.

5. Increased Noise and Vibration: The top end kit may result in increased noise and vibration levels, which some riders may find unsettling or even uncomfortable.

The Harley-Davidson 25700983 117 Top End Kit offers several advantages, such as increased performance, enhanced riding experience, and customization opportunities. However, it also comes with potential disadvantages, including cost, installation complexity, warranty issues, risk of damage, and increased noise and vibration levels.

Before deciding to purchase this kit, consider your personal preferences, riding habits, and mechanical expertise. If you are an experienced Harley-Davidson owner looking for a significant performance upgrade and are willing to invest the time and money, this top end kit may be an excellent choice for you. On the other hand, if you are a casual rider or have limited mechanical knowledge, this kit may not be the best investment for your situation.

If you decide to pursue the Harley-Davidson 25700983 117 Top End Kit, make sure to purchase it from a reputable dealer to ensure the authenticity and quality of the parts. Additionally, consider having the installation done by a professional mechanic to minimize the risk of damage and ensure proper installation. Lastly, always follow the manufacturer's instructions carefully during the installation process and adhere to any necessary safety precautions.

Details:

LOC RB L-3 AUS. DEALER NOS OEM HARLEY-DAVIDSON 117 TOP END KIT 25700983.

part #: 25700983 prices

• $144.00-$284.71

specifications cylindermotorcycleiz:

• for makes: Harley
• brand: Harley-davidson
• mpn: 25700983

payments cylindermotorcycleiz:

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

returns cylindermotorcycleiz:

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

seller cylindermotorcycleiz:

• rating: 99.9%
• # reviews: 1444
• city: Red Oak, Texas

offer cylindermotorcycleiz:

• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock
• started: March 27, 2026

shipping cylindermotorcycleiz:

• cost: $15.00
• type: Fixed
• class: Standard
• transit: 4-7 Days
• service: Standard

general cylindermotorcycleiz:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

Harley-davidson 25700983 Is Similar To:

• 0000000 Harley Davidson Twin Cam (37% similar) Here is a very nice box lot of good chrome motor parts for twin cam 107...(June 11th, 2017)
• 03-495 Arlen Ness Slot Track Points Cover Black Harley Davidson (32.5% similar) ...(June 26th, 2018)
• 03-642 Arlen Ness Pushrod Cover Set Chrome Harley Davidson (35.6% similar) ...(June 26th, 2018)
• 03-643 Arlen Ness Pushrod Cover Set Black Harley Davidson (34.2% similar) ...(June 25th, 2018)
• 03-982 Arlen Ness Cam Cover Chrome Harley Davidson (38.2% similar) ...(June 25th, 2018)
• 03-983 Arlen Ness Cam Cover Black Harley Davidson (38.5% similar) ...(June 25th, 2018)
• 04-0901agb Cylinder Headbolt Cover Set Black For Harley Davidson Motorcycles By (27.3% similar) Sold as: set country of origin: imported VT no: fits the following bike applications 1986 -UP Harley-davidson flt fast flat Fr XL genuine v-twin brand new. Full manufacturer warranty free shipping within the USA 4 piece cylinder deadbolt cover set features a black finish...(September 11th, 2018)
• 05-66 Stamp Date Harley-davidson Harley (40.4% similar) Head in good condition overall with some slight scratches on a couple fins as shown. Look closely and ask any questions prior to committing the sale. Also be sure to see dales site motor MAKER1. This collection dates back to that time and we uncovered many very early parts from the 20'S, 30'S, 40'S...(August 24th, 2017)
• 0940-0440 Drag Specialties Chrome Engine Rocker Box Kit Harley Davidson Sportster (22.7% similar) 95 brand: drag specialties condition: new manufacturer part number: type: rocker box kits kits quality construction with exact dimensions ensures a perfect, leak proof fit available in chrome or satin black powder coat finish sold each, two required per MOTOR2004 XL 1200C CUSTOM2006 1200L LOW2004 ...(September 4th, 2018)
• 0940-1239 Drag Specialties Black Engine Rocker Box Kit Harley Davidson Sportster (22.9% similar) 95 brand: drag specialties condition: new manufacturer part number: type: rocker box kits - cover BLACK2004 harley davidson XL 1200C CUSTOM2005 CUSTOM2006 CUSTOM2004 1200R ROADSTER2005 ROADSTER2006 ROADSTER2004 883C 883L LOW2006 LOW2005 883R2006 883R...(September 4th, 2018)
• 1-78 2-78 1-78 Harley Davidson Shovelhead (31.7% similar) No broken fins. One spark plug thread is helicopter. Front and rear standard not big bore cylinder heads. See pictures,threads and seals look to be in very good condition. It looks like has been a recent rebuild...(June 19th, 2017)