DRAG SPECIALTIES 139686 Piston Set 3.498 .010 8.5

( Brand: Drag Specialties ), ( Manufacturer Part Number: 139686 ), ( Part Type: Piston ), ( Warranty Details: See Manufacturer )

Review DRAG SPECIALTIES Piston Set 3.498 Inch .010 Bore 8.5 Harley Davidson #139686 fits DS

139686 DS Piston Set for Harley-Davidson Remanufactured 3.498in (8.83cm) Bore, 010 Compression Height, 8.5:1 Compression Ratio

The 139686 DS Piston Set is a high-quality remanufactured piston kit designed specifically for Harley-Davidson motorcycles. This piston set is engineered to deliver exceptional performance and dependability for your Harley-Davidson engine.

These pistons feature a bore size of 3.498 inches (8.83cm), making them suitable for specific Harley-Davidson applications. With a compression height of 0.10 inches (2.54cm), these pistons offer a balanced performance and power curve. Moreover, they have an 8.5:1 compression ratio, which is a popular option for riders looking for a good balance between power and efficiency.

Each piston in this set is meticulously remanufactured using the latest technology and stringent quality control processes. The piston skirts are ground to ensure a perfect fit and optimal ring seal, ensuring a long-lasting and reliable seal against the cylinder wall. The piston crowns are checked for uniformity to deliver uniform compression and power delivery.

The D-shaped, forged design of these pistons ensures superior strength and durability. Their high-tension, forged rings are specially designed to provide excellent seal and wear characteristics, enhancing the lifespan of the pistons and reducing the need for frequent ring replacement.

This 139686 DS Piston Set comes with a matching set of wrist pins, ensuring perfect alignment of the piston and connecting rod for smooth operation. The wrist pins are also checked for straightness and size to guarantee a precise fit and optimal engine performance.

Designed to deliver unparalleled quality and performance, this 139686 DS Piston Set is an excellent investment for any Harley-Davidson rider looking for maximum power, efficiency, and longevity from their engine. Upgrade your Harley-Davidson engine today with this high-performance piston set.

Pros and Cons of Buying 139686 DS Piston Set 3.498 010 8.5 for Harley-Davidson

a. Improved Performance: New pistons can result in increased power output, better combustion efficiency, and reduced engine noise.

b. Enhanced Engine Durability: This piston set is designed specifically for Harley-Davidson engines and can help improve engine life by addressing common issues like wear and tear.

c. OEM Quality: As an original equipment manufacturer (OEM) part, it is engineered, tested, and manufactured under strict quality control processes to ensure a perfect fit and optimal function.

d. Warranty Coverage: OEM parts often come with lengthy warranties, creating peace of mind for riders who want to protect their investment.

e. Corresponding Components: This piston set specifically caters to Harley-Davidson engines with the given model number (3.498 010 8.5), ensuring compatibility and correct fitment.

f. Reduced Long-Term Cost: While this upfront cost may seem high, investing in OEM parts can save money in the long run because they are known for their durability, which can reduce the need for frequent repairs or replacements.

a. Expensive: Replacing piston sets as preventative maintenance might be a significant upfront investment for some riders, but it often proves more cost-effective in the long term.

b. Added Downtime: Installing a new piston set may require removing the engine from the motorcycle, leading to extended downtime.

c. Complex Installation: Installing new pistons is a more involved and complicated process compared to simpler maintenance jobs, which may necessitate professional assistance.

d. Potential for Cross-Contamination: If handling the pistons without proper cleanliness, there's a risk of cross-contamination from old engine oil or debris, reducing the new pistons' lifespan and performance.

The 139686 DS Piston Set 3.498 010 8.5 for Harley-Davidson motorcycles offers several advantages in terms of improved performance, enhanced engine durability, OEM quality, warranty coverage, and component-specific compatibility. However, its disadvantages include a steep upfront cost, added downtime, complex installation, and the risk of cross-contamination. Therefore, weighing the pros and cons, it appears that the benefits outweigh the drawbacks for those seeking optimal engine performance and longevity. It is recommended to consider this piston set as a worthwhile investment for avid Harley-Davidson riders seeking optimum motorcycle experience.

Details:

Over Stock Stroke 4.25 in. Harley Davidson CVO FXR2 1999. Piston rings are not included. Harley Davidson CVO FXR3 1999.

DS Piston Set 3.498 .010 Bore 8.5:1 Harley Davidson #139686: Pistons come complete with wrist pins and cir clips sold in pairs.

part #: 139686 prices

• $39.99-$64.99

specifications pistondon:

• for models: Ds
• for makes: Harley, Davidson
• brand: Drag Specialties
• mpn: 139686
• part type: Piston
• warranty details: See Manufacturer

payments pistondon:

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

offer pistondon:

• sold: 0
• quantity: 8
• options: Ship-to-home
• started: January 16, 2025
• availability: In Stock

seller pistondon:

• rating: 99.2%
• # reviews: 601513
• city: Grand Rapids, Michigan

returns pistondon:

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

general pistondon:

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

shipping pistondon:

• carrier: UPS
• service: UPS Ground
• cost: $0.00
• class: Standard
• type: Fixed
• transit: 3-7 Days

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