DRAG SPECIALTIES 139676 Piston Set Compression 3.498 .020 8/1

( Brand: Drag Specialties ), ( Manufacturer Part Number: 139676 ), ( Part Type: Piston Compression ), ( Warranty Details: See Manufacturer )

Review DRAG SPECIALTIES Piston Set 3.498 Inch .020 Bore 8/1 Compression Ratio Harley Davidson fits DS

Introducing the 139676 DS Piston Set by Harley-Davidson, a high-performance upgrade for your Harley-Davidson engine. This piston set is designed for 3.498" bore applications and is suitable for select Harley-Davidson V-Twin engines.

Each piston is meticulously crafted from forged aluminum alloy, ensuring superior strength and durability. The piston crowns are engineered with a domed shape to promote efficient combustion, while the skirt designs offer optimal clearance for the connecting rods.

The 139676 DS Piston Set comes with matching Harley-Davidson rings, specifically designed for these pistons. These rings are made from high-quality materials and engineered to provide consistent sealing, reducing the likelihood of engine blow-by and ensuring optimal engine performance.

Additionally, these pistons feature a unique skirt design with a ribbed surface that helps to reduce piston-to-liner friction. The ribbed design also provides added strength, contributing to the overall durability of the pistons.

This piston set is an excellent choice for riders seeking improved engine performance, whether for street riding, track days, or custom builds. With their high-quality materials, meticulous design, and perfect fitment to Harley-Davidson engines, the 139676 DS Piston Set by Harley-Davidson is the ideal upgrade for your engine.

In summary, the 139676 DS Piston Set by Harley-Davidson is a top-tier upgrade for your Harley-Davidson V-Twin engine. With their forged aluminum construction, efficient combustion design, high-quality rings, and ribbed skirt design, these pistons offer superior strength, durability, and performance, making them an excellent choice for any Harley-Davidson enthusiast.

Pros and Cons of Buying a 139676 DS Piston Set for Harley-Davidson Motorcycles

The 139676 DS Piston Set is a popular aftermarket option for Harley-Davidson motorcycle owners seeking to enhance the performance of their engines. In this analysis, we will outline the advantages and disadvantages of investing in this piston set.

1. Enhanced Performance: The DS Piston Set is designed to offer improved combustion efficiency, which results in increased horsepower and torque. This can lead to a more responsive and smoother riding experience.

2. Improved Engine Longevity: Upgrading to a high-quality piston set can help extend the life of your engine. These pistons are made from stronger materials and are designed to withstand the rigors of high-performance riding.

3. Customizability: The DS Piston Set is available in various sizes and configurations to cater to different engine types and performance levels. This allows riders to tailor their motorcycle to their specific needs and preferences.

4. OEM-Grade Quality: Harley-Davidson's DS Piston Set is manufactured to meet or exceed OEM specifications, ensuring a perfect fit and reliable performance.

1. Cost: The DS Piston Set is a premium aftermarket option, and the cost can be a significant investment for some riders. However, the long-term benefits and improved performance may justify the expense for those who prioritize engine upgrades.

2. Installation Complexity: Installing the DS Piston Set requires a certain level of mechanical expertise and specialized tools. It is not a task for the inexperienced or faint of heart. Professional installation is recommended for best results.

3. Availability: Due to their popularity, DS Piston Sets may be in high demand, and availability can be an issue. It's essential to plan ahead and order the piston set well in advance to avoid any potential delays.

The 139676 DS Piston Set for Harley-Davidson motorcycles offers significant performance improvements and extended engine life. While the cost and installation complexity may be deterrents for some, the benefits often outweigh the drawbacks. If you're a serious Harley-Davidson enthusiast seeking to enhance your riding experience, the DS Piston Set is a worthwhile investment.

For those considering the purchase of a 139676 DS Piston Set for their Harley-Davidson motorcycle, it is recommended to consult with a professional mechanic or Harley-Davidson dealer to ensure a proper fit and installation. Additionally, budgeting for the cost and planning for installation well in advance can help mitigate any potential challenges.

Details:

Harley Davidson FLHC Electra Glide Classic 1981 -1982. Harley Davidson FLH Electra Glide 1978-1984. Piston rings are not included. DS Piston Set 3.498 .020 Bore 8:1 Compression Ratio Harley Davidson: Pistons come complete with wrist pins and cir clips sold in pairs.

Harley Davidson FLHS Electra Glide Sport 1980 -1982.

part #: 139676 prices

• $39.99-$64.99

specifications pistondon:

• for models: Ds
• for makes: Harley, Davidson
• brand: Drag Specialties
• mpn: 139676
• part type: Piston Compression
• warranty details: See Manufacturer

general pistondon:

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

returns pistondon:

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

offer pistondon:

• quantity: 10
• sold: 0
• options: Ship-to-home
• started: October 18, 2025
• availability: In Stock

shipping pistondon:

• service: UPS Ground
• transit: 3-6 Days
• type: Fixed
• class: Standard
• carrier: UPS
• cost: $0.00

payments pistondon:

• wallet: Paypal
• other
• credit card: Diners-club

seller pistondon:

• rating: 99.5%
• # reviews: 642901
• city: Grand Rapids, Michigan

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