DRAG SPECIALTIES 139684 Piston Set 3.498 8.5

( Brand: Drag Specialties ), ( Manufacturer Part Number: 139684 ), ( Part Type: Piston ), ( Warranty Details: See Manufacturer )

Review DRAG SPECIALTIES Piston Set 3.498 Inch Bore 8.5 Harley Davidson fits DS

Introducing the 139684 DS Piston Set from Harley-Davidson, a high-performance upgrade for your Harley-Davidson engine. These pistons, with part numbers 3.498 and 8.5, are meticulously engineered to deliver exceptional power, reliability, and durability for your motorcycle.

The 139684 DS Piston Set is designed specifically for Harley-Davidson engines and is crafted from a robust forged material. The piston crowns are optimized for a better gas flow, ensuring efficient combustion and more power. The piston skirts are designed with a low friction coating to minimize wear and provide a smooth engine operation.

Each piston in this set is precision-machined to ensure a perfect fit and function in your engine. The piston pin bores are accurately sized, and the piston rings are of the correct size and material for optimal sealing and performance. The piston pins are also made from high-strength material and are fitted with a hard chrome finish for added durability.

The 139684 DS Piston Set is also designed to work seamlessly with Harley-Davidson connecting rods and crankshafts, ensuring a perfect fit and optimal engine performance. The pistons are also designed to meet or exceed the OEM specifications, ensuring consistent and reliable engine operation.

Installing the 139684 DS Piston Set in your Harley-Davidson engine is a straightforward process, and it is recommended to follow the manufacturer's instructions carefully to ensure a successful installation. The pistons come with all necessary hardware and gaskets for a complete installation.

In summary, the 139684 DS Piston Set from Harley-Davidson is a premium upgrade for your Harley-Davidson engine. These pistons are meticulously designed and crafted to deliver exceptional power, reliability, and durability, making them an excellent choice for enthusiasts and performance-minded riders.

Pros and Cons of Buying a 139684 DS Piston Set 3.498 8.5 for Harley Davidson Motorcycles

The 139684 DS Piston Set 3.498 8.5 is a popular aftermarket option for Harley Davidson motorcycle owners looking to upgrade their engine components. This piston set is designed to provide improved performance, durability, and efficiency. In this article, we will discuss the pros and cons of purchasing this piston set to help you make an informed decision.

1. Enhanced Performance: The DS Piston Set 3.498 8.5 is designed to provide better combustion efficiency, leading to improved engine performance. This results in increased horsepower and torque, making your Harley Davidson motorcycle more responsive and faster.

2. Improved Durability: The piston set is made from high-quality materials, such as forged aluminum alloy. This makes the pistons stronger and more resistant to wear and tear, allowing them to last longer than stock pistons.

3. Better Heat Management: The DS Piston Set 3.498 8.5 comes with advanced cooling features, such as larger piston oil squirters and improved piston ring design. These features help to reduce engine temperatures, preventing thermal stress and increasing the lifespan of the engine.

4. Customizability: The piston set is available in various sizes and configurations, allowing you to customize your Harley Davidson motorcycle to your specific needs and preferences.

1. Cost: The DS Piston Set 3.498 8.5 is more expensive than stock pistons. This may be a significant investment for some motorcycle owners, especially those on a tight budget.

2. Installation Complexity: Installing aftermarket pistons requires specialized tools and knowledge. It is recommended that you have the pistons installed by a professional mechanic to ensure that they are installed correctly and safely.

3. Potential Compatibility Issues: The DS Piston Set 3.498 8.5 may not be compatible with all Harley Davidson motorcycles. It is essential to check the compatibility of the piston set with your specific motorcycle model before making a purchase.

The 139684 DS Piston Set 3.498 8.5 offers several benefits, including enhanced performance, improved durability, better heat management, and customizability. However, it also comes with some drawbacks, such as cost, installation complexity, and potential compatibility issues. Ultimately, the decision to purchase this piston set depends on your individual needs, preferences, and budget.

If you are looking to improve the performance and durability of your Harley Davidson motorcycle engine, the DS Piston Set 3.498 8.5 is an excellent option. However, it is recommended that you carefully consider the pros and cons and consult with a professional mechanic before making a purchase. Additionally, ensure that the piston set is compatible with your motorcycle model before proceeding with the installation.

Details:

Harley Davidson CVO FXR4 2000. Harley Davidson CVO FXR2 1999. Piston rings are not included. Harley Davidson CVO FXR3 1999.

DS Piston Set 3.498 Bore 8.5:1 Harley Davidson: Pistons come complete with wrist pins and cir clips sold in pairs.

part #: 139684 prices

• $39.99-$64.99

specifications pistondon:

• for models: Ds
• for makes: Harley, Davidson
• brand: Drag Specialties
• mpn: 139684
• part type: Piston
• warranty details: See Manufacturer

seller pistondon:

• # reviews: 611263
• city: Grand Rapids, Michigan
• rating: 99.2%

offer pistondon:

• quantity: 18
• availability: In Stock
• started: April 26, 2025
• sold: 0
• options: Ship-to-home

payments pistondon:

• other
• credit card: Visa
• wallet: Paypal

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

returns pistondon:

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

shipping pistondon:

• service: UPS Ground
• carrier: UPS
• type: Fixed
• class: Standard
• transit: 5-8 Days
• cost: $0.00

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