DRAG SPECIALTIES DS-750725 Compression Piston Pin .050 21995-81

( Brand: Drag Specialties ), ( Manufacturer Part Number: DS-750725 ), ( Engine Type: 4-stroke ), ( Type: Piston ), ( Machine Type: Street Motorcycle ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review DRAG SPECIALTIES .050 Stock Compression Piston Inch Harley New No Pin fits SHOVELHEAD 1980

The DS-750725 050 Compression Piston is a high-performance upgrade for Harley-Davidson Shovelhead engines manufactured between 1966 and 1983, specifically those with the 21995-81 pin. This piston is designed and engineered for enthusiasts seeking increased power and improved engine efficiency.

The DS-750725 050 Compression Piston is constructed of forged aluminum alloy, ensuring superior strength and durability. Its piston crown features a unique dish and dome design, which optimizes combustion efficiency and enhances power output. The piston's compression height and pin bore size are specifically tailored to fit the 21995-81 pin, ensuring a precise and secure fit.

This piston comes with a high-performance ring set, consisting of a nitrided, chrome-molybdenum ring package and an oil control ring. The rings are designed to minimize friction and reduce wear, while optimizing compression and ensuring a consistent seal between the piston and cylinder. The piston also includes a new wrist pin bushing, which provides a smooth and efficient wrist pin movement, reducing friction and improving engine performance.

The DS-750725 050 Compression Piston is engineered to provide a significant increase in horsepower and torque, making it an excellent choice for Harley-Davidson enthusiasts looking to enhance the performance of their Shovelhead engine. Its high-quality materials, precise design, and excellent craftsmanship ensure a reliable and long-lasting upgrade. Whether you're building a custom bike or just looking to improve the performance of your daily rider, the DS-750725 050 Compression Piston is an excellent investment for any Harley-Davidson Shovelhead owner.

Pros and Cons of Buying a DS-750725 050 Compression Piston for Harley Shovelhead 21995-81 Engines

The DS-750725 050 Compression Piston is a popular aftermarket upgrade for Harley-Davidson Shovelhead engines manufactured between 1966 and 1983. This piston is designed to increase engine performance and power. In this article, we will discuss the pros and cons of buying this piston to help you make an informed decision.

1. Increased Power: The DS-750725 050 Compression Piston is designed to provide increased power output, making your Harley-Davidson engine more responsive and powerful.

2. Improved Compression: The piston offers improved compression ratio, which can lead to better fuel efficiency and improved engine performance.

3. Enhanced Durability: The piston is made from high-quality materials, including a forged aluminum alloy crown and a steel skirt, which provides increased strength and durability.

4. Better Heat Transfer: The piston's design allows for improved heat transfer, which can help keep the engine running cooler and more efficiently.

5. Customization: Installing a high-performance piston like the DS-750725 050 can be a way to customize your Harley-Davidson engine and make it stand out from the crowd.

1. Cost: The DS-750725 050 Compression Piston is a premium aftermarket part, and the cost of purchasing and installing it can be significant.

2. Complex Installation: Installing a new piston in a Harley-Davidson engine requires specialized tools and knowledge, which can add to the cost and complexity of the project.

3. Potential Compatibility Issues: It is essential to ensure that the DS-750725 050 Compression Piston is compatible with your specific Harley-Davidson engine model and year.

4. Increased Noise: Some users have reported an increase in engine noise after installing the DS-750725 050 Compression Piston.

5. Potential Performance Variability: Every engine is unique, and the performance gains from installing a new piston can vary widely depending on the condition and configuration of the engine.

The DS-750725 050 Compression Piston is an excellent option for Harley-Davidson Shovelhead engine owners looking to increase power and performance. However, it comes with a significant cost and installation complexity. Additionally, compatibility issues and potential performance variability are important considerations. Ultimately, the decision to purchase and install the DS-750725 050 Compression Piston depends on your specific goals, budget, and level of mechanical expertise.

If you are serious about maximizing the performance of your Harley-Davidson Shovelhead engine and are willing to invest the time and money into the project, the DS-750725 050 Compression Piston is an excellent choice. However, if you are on a budget or unsure of your mechanical abilities, it may be worth considering other less expensive and more accessible upgrades first. Always make sure to purchase the piston from a reputable supplier and consult with a qualified mechanic to ensure a successful installation.

Details:

This piston is a replacement part for Harley Davidson motorcycles, specifically the Shovelhead model. It does not come with a pin and has the manufacturer part number DS-750725. This vintage part is made in the USA and designed for street motorcycles with 4-stroke engines. The product is a new 80 Harley Shovelhead stock compression piston by Drag Specialties.

part #: ds750725 prices

• $10.00-$25.00

specifications pistondon:

• for models: Shovelhead
• for makes: Harley
• for years: 1980
• brand: Drag Specialties
• mpn: Ds-750725
• engine type: 4-stroke
• type: Piston
• machine type: Street Motorcycle
• vintage part: Yes
• country of origin: United States

general pistondon:

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

payments pistondon:

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

shipping pistondon:

• service: USPS Ground Advantage, UPS Ground
• class: Standard
• transit: 4-8 Days
• type: Calculated
• cost: $12.30
• carrier: USPS, UPS

seller pistondon:

• rating: 99.4%
• city: Valley City, North Dakota
• # reviews: 4951

offer pistondon:

• options: Ship-to-home
• availability: In Stock
• started: April 17, 2026
• sold: 0
• quantity: 1

returns pistondon:

• policy: No Returns

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