DRAG SPECIALTIES 139680 Piston Set Compression 3.498 7.2

( Brand: Drag Specialties ), ( Manufacturer Part Number: 139680 ), ( Part Type: Piston Compression ), ( Warranty Details: See Manufacturer )

Review DRAG SPECIALTIES Piston Set 3.498 Inch Bore 7.2 Compression Ratio fits DS

Introducing the 139680 DS Piston Set from a renowned automotive aftermarket manufacturer, this piston set is designed specifically for engines with a compression ratio of 3.498:1 and 7.2:1. This set is an excellent choice for vehicle owners seeking top-notch engine performance and reliability.

Each piston in this set is meticulously crafted using high-quality forged aluminum alloy. The superior material ensures exceptional strength, durability, and resistance to engine heat. The piston crowns are engineered with optimized dish shapes and domed tops, ensuring efficient combustion and enhanced power output.

The piston rings included in this set are designed to provide an optimal seal between the piston and cylinder wall. The rings are manufactured using precision-ground, chrome-molybdenum alloy steel, which ensures a long-lasting, leak-free performance. The set includes piston rings of various sizes and materials, including compression rings, oil control rings, and top compression rings.

The piston pins are made of high-tensile steel and are precision-machined to ensure a perfect fit in the piston and crankshaft. The pins are also coated with a durable, anti-friction material, reducing wear and extending the life of the piston and engine.

This piston set also includes new piston pin bushings, which are essential for proper piston movement and engine performance. The bushings are made of high-quality materials that provide a perfect fit, reducing noise and vibration.

Installing these pistons is a breeze, thanks to the included installation kit. The kit includes all the necessary hardware, including piston clips, piston ring compressor tools, and other installation tools.

In conclusion, the 139680 DS Piston Set is an excellent investment for vehicle owners seeking to improve their engine's performance and reliability. With its high-quality materials, precise engineering, and comprehensive installation kit, this piston set is sure to provide long-lasting, trouble-free performance.

Pros and Cons of Buying a 139680 DS Piston Set for a 3.498 7.2 Compression Engine

The 139680 DS piston set is a popular choice for engine rebuild projects, especially for those with a 3.498 7.2 compression engine. This piston set comes with several advantages and disadvantages, which can help you make an informed decision before making a purchase.

1. High-quality materials: The DS piston set is made of forged aluminum, ensuring durability and strength. This material is ideal for high-performance applications and can withstand the rigors of heavy use.

2. Improved engine performance: Upgrading to a new piston set can lead to improved engine performance, including increased horsepower and torque. This can result in better acceleration and overall driving experience.

3. Reduced engine noise: Worn-out piston rings can cause engine noise, particularly during cold starts or when the engine is idling. A new piston set can help reduce engine noise by improving the seal between the piston and cylinder wall.

4. Longer engine life: A new piston set can help extend the life of the engine by reducing wear and tear on other components, such as the crankshaft and connecting rods.

1. Cost: A new piston set can be a significant investment, especially for older or high-performance engines. The cost of the DS piston set may be prohibitive for some budget-conscious consumers.

2. Installation complexity: Installing a new piston set can be a complex process that requires specialized tools and knowledge. This can add to the overall cost of the project and may require the assistance of a professional mechanic.

3. Potential for engine damage: If not installed correctly, a new piston set can cause engine damage. This is particularly true if the engine has not been properly prepared for the installation or if the pistons are not properly sized for the engine.

The DS piston set is an excellent choice for those seeking to improve the performance and longevity of their 3.498 7.2 compression engine. However, the significant investment required and installation complexity are important considerations. Before making a purchase, it is crucial to weigh the benefits against the costs and ensure that you have the necessary resources to properly install the new piston set.

If you have the budget and the necessary resources, the DS piston set is an excellent investment for your 3.498 7.2 compression engine. It can lead to improved engine performance, reduced engine noise, and extended engine life. However, if you are budget-conscious or lack the resources to properly install the new piston set, it may be worth considering alternative options, such as reusing your existing pistons or purchasing a less expensive aftermarket piston set.

Details:

Harley Davidson FXWG Wide Glide 1980 -1984. Harley Davidson FXSB Low Rider 1983 -1984. DS Piston Set 3.498 Bore 7.2:1 Compression Ratio: Pistons come complete with wrist pins and cir clips sold in pairs. Piston rings are not included.

Harley Davidson FXS Super Glide Low Rider 1981 -1982.

part #: 139680 prices

• $59.95-$140.00

specifications pistondon:

• for models: Ds
• brand: Drag Specialties
• mpn: 139680
• part type: Piston Compression
• warranty details: See Manufacturer

shipping pistondon:

• service: UPS Ground
• cost: $0.00
• class: Standard
• carrier: UPS
• type: Fixed
• transit: 2-6 Days

offer pistondon:

• started: May 28, 2025
• quantity: 2
• availability: In Stock
• sold: 0
• options: Ship-to-home

payments pistondon:

• wallet: Google-pay
• other
• credit card: Discover

general pistondon:

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

seller pistondon:

• rating: 99.3%
• city: Grand Rapids, Michigan
• # reviews: 615053

returns pistondon:

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

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