DRAG SPECIALTIES DS750721 Nos Piston Kit 1340CC .010 8/1

( Brand: Drag Specialties ), ( Manufacturer Part Number: DS750721 ), ( Engine Type: 4-stroke ), ( Type: Piston Kit ), ( Machine Type: Street Motorcycle ), ( Manufacturer Warranty: 1 Year )

Review DRAG SPECIALTIES Nos Inch 1340cc Piston Kit .010 8/1 Hd fits SHOVELHEAD EVO 1980

Introducing the DS750721 NOS (New Old Stock) 80 1340cc Piston Kit from S&S Cycles, specifically designed for Harley-Davidson Shovelhead Evolution engines. This piston kit is a must-have for enthusiasts seeking authentic, high-performance components to restore or upgrade their motorcycles.

Each piston in this kit is meticulously crafted from forged aluminum, ensuring superior strength and durability. The piston skirts are designed to minimize friction and provide excellent ring seal, while the domed tops optimize combustion efficiency and power output. The pistons are also equipped with S&S's exclusive PB2 coating for enhanced piston-to-ring seal and reduced friction.

This kit includes eight pistons, each specifically tailored to fit Harley-Davidson Shovelhead Evolution engines with a displacement of 1340cc. The pistons are interchangeable and can be used in any cylinder position, offering flexibility for various engine configurations.

The DS750721 NOS 80 1340cc Piston Kit from S&S Cycles is more than just an upgrade; it's a testament to the passion and dedication that goes into every component designed for Harley-Davidson motorcycles. With its authentic NOS status and unmatched quality, this piston kit is the perfect addition for any serious Shovelhead Evolution enthusiast looking to restore their bike to its former glory or push its performance to new heights.

Pros and Cons of Buying a DS750721 NOS Piston Kit for a 1340cc Shovelhead Evo Harley-Davidson Engine

The DS750721 NOS (New Old Stock) piston kit from JE Pistons is a popular upgrade option for Harley-Davidson Shovelhead Evo engines. These pistons offer improved performance, durability, and reliability. To help you make an informed decision, this article presents the pros and cons of purchasing this piston kit.

1. Enhanced Performance: The DS750721 pistons are designed to provide increased power output and improved engine response. This results in a more enjoyable riding experience for enthusiasts and racers.

2. Improved Durability: NOS pistons, such as the DS750721, are known for their high-quality materials and precise manufacturing processes. This leads to enhanced durability and longevity compared to OEM (Original Equipment Manufacturer) pistons.

3. Customizable: These pistons offer various options for ring packages, allowing riders to tailor the piston kit to their specific engine requirements and desired performance levels.

4. Performance Warranty: JE Pistons offers a performance warranty on their pistons, providing peace of mind to customers and protecting their investment.

5. Availability: The DS750721 NOS piston kit is readily available from various Harley-Davidson performance parts dealers and online retailers.

1. Cost: The DS750721 piston kit is a more expensive option compared to OEM pistons. This may be a deterrent for some riders who are on a budget.

2. Installation Complexity: Installing aftermarket pistons can be a complex and time-consuming process. It is recommended that the installation be performed by an experienced mechanic to ensure proper fitment and function.

3. Potential Compatibility Issues: Ensure that the DS750721 piston kit is compatible with your specific engine configuration. Incorrect installation of aftermarket parts can lead to engine damage.

4. Break-in Period: Aftermarket pistons require a break-in period to ensure optimal performance and durability. This break-in period may involve specific engine operating conditions, such as rev limits and engine temperatures.

The DS750721 NOS piston kit from JE Pistons offers numerous advantages for Harley-Davidson Shovelhead Evo engine owners, including enhanced performance, improved durability, and customization options. However, it comes with a higher cost, installation complexity, potential compatibility issues, and a required break-in period. Ultimately, the decision to purchase this piston kit depends on your budget, technical expertise, and desired performance upgrades.

If you're an avid Harley-Davidson enthusiast or racer seeking improved engine performance and reliability, the DS750721 NOS piston kit is a worthwhile investment. However, if you're on a tight budget or lack the necessary technical expertise to install and manage the pistons, it may be best to stick with OEM pistons. Always ensure that the piston kit is compatible with your engine configuration before making a purchase.

Details:

This kit is a .010 oversize with an 8:1 compression ratio. For specific older model's, these pistons feature internal steel struts to control heat expansion. Item Specifics, Brand: Drag Specialties, Part Number: DS750721, Engine Fitment: 80ci 1340cc Big Twin / Shovelhead Evolution, Size: .010 Oversize 3.508 Bore, Compression Ratio: 8:1, Material: Cast Aluminum Alloy, Fitment Years: 1978 1984 and early Country of Manufacture: Taiwan DS750721. The kit includes two pistons, wrist pins, and keepers.

New Old Stock NOS Drag Specialties replacement piston kit for Harley-Davidson 80-inch 1340cc engines. These are OEM-quality cast aluminum alloy pistons designed for durability and efficiency.

part #: ds750721 prices

• $99.00-$123.97

specifications pistondon:

• for models: Shovelhead, Evo
• for years: 1980
• brand: Drag Specialties
• mpn: Ds750721
• engine type: 4-stroke
• type: Piston Kit
• machine type: Street Motorcycle
• manufacturer warranty: 1 Year

general pistondon:

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

returns pistondon:

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

seller pistondon:

• rating: 100.0%
• city: San Antonio, Texas
• # reviews: 37

shipping pistondon:

• carrier: USPS
• type: Calculated
• class: Standard
• transit: 5-11 Days
• cost: $0.00
• service: USPS Ground Advantage

payments pistondon:

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

offer pistondon:

• options: Ship-to-home
• best offers: True
• started: January 31, 2026
• availability: In Stock
• quantity: 1
• sold: 0

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