DRAG SPECIALTIES DS-750742 Pistons Big .020 1340CC 84-99

( Brand: Drag Specialties ), ( Manufacturer Part Number: DS-750742 ), ( Part Type: Piston )

Review DRAG SPECIALTIES .020 Inch Pistons For 1340cc 84-99 Big fits TWIN EVO

Introducing the DS-750742 020 pistons, a premium upgrade solution for the 1340cc Big Twin Evo engines used in select Harley-Davidson models from 1984 to 1999. These aftermarket pistons are meticulously engineered and manufactured to deliver superior performance, reliability, and durability.

Designed using advanced CNC machining techniques, these pistons boast a precise shape and finish. This ensures a perfect fit in your engine and minimizes the risk of any potential clearance issues. The piston skirts feature an optimized design that reduces friction and enhances the ring sealing performance.

The DS-750742 020 pistons are constructed from high-quality forged aluminum alloy. This material offers excellent strength and durability, ensuring the pistons can withstand the demanding conditions of high-performance riding. The alloy also has excellent heat conductivity, which helps maintain an even temperature throughout the piston, reducing the risk of thermal stress and warpage.

The piston crowns are specifically designed to accommodate larger diameter rings, enabling better ring seal and improved combustion efficiency. This leads to increased power output and improved fuel economy. The piston crowns also feature a unique design that allows for easy ring installation and removal.

These pistons are also designed with a thin-walled construction, which reduces the weight of the piston without compromising its strength. This weight reduction results in a lighter rotating mass, which in turn leads to smoother engine operation and improved power delivery.

Each DS-750742 020 piston is supplied with matching piston rings, ensuring a complete and ready-to-install solution. The piston rings are precision machined from high-quality steel material, ensuring a long-lasting and reliable seal.

These aftermarket pistons are the perfect upgrade for riders looking to enhance the performance and reliability of their Big Twin Evo engines. With their precise engineering, superior materials, and attention to detail, these pistons are an ideal choice for high-mileage engines or those seeking increased power and torque. Upgrade your Harley-Davidson today with the DS-750742 020 pistons.

Pros and Cons of Buying DS-750742 020 Pistons for 1340cc 84-99 Big Twin Evo Harley-Davidson Engines

The DS-750742 020 pistons are aftermarket pistons manufactured by Dynasource for Harley-Davidson Big Twin Evo engines with a displacement of 1340cc. These pistons are popular among motorcycle enthusiasts for their potential performance improvements. In this article, we will discuss the pros and cons of investing in these pistons.

1. Enhanced Performance: DS-750742 020 pistons are designed to provide improved combustion efficiency, resulting in increased horsepower and torque. This can lead to a more responsive and powerful riding experience.

2. Durability: These aftermarket pistons are made from forged aluminum material, which offers better strength and durability compared to stock cast iron pistons. Forged pistons are less prone to cracking, warping, and other forms of damage under high engine loads.

3. Weight Reduction: DS-750742 020 pistons are lighter than stock pistons, which can help in reducing rotating mass and reciprocating weight. This results in easier engine operation and improved fuel efficiency.

4. Customization: Aftermarket pistons like DS-750742 020 offer customization options to tailor the engine's performance to specific riding styles or applications. For instance, they can be used for racing, touring, or custom build projects.

1. Cost: Aftermarket pistons, such as DS-750742 020, can be quite expensive compared to stock pistons. The additional cost may not be justifiable for some motorcycle owners, especially if their primary goal is not to achieve significant performance improvements.

2. Installation Complexity: Installing aftermarket pistons requires specialized tools and knowledge. It is typically a more complex process than installing stock pistons, which could add to the overall cost and time investment.

3. Warranty: Installing aftermarket pistons might void the original factory warranty on the engine. This could be a concern for those who prefer having the manufacturer's warranty coverage.

The DS-750742 020 pistons for 1340cc 84-99 Big Twin Evo Harley-Davidson engines offer several advantages, such as enhanced performance, durability, weight reduction, and customization. However, they also come with disadvantages, such as higher cost, installation complexity, and potential warranty issues. Ultimately, the decision to invest in these pistons depends on the individual's riding goals, budget, and technical expertise.

For those who are serious about performance enhancements and are willing to invest in aftermarket components, DS-750742 020 pistons could be an excellent choice. However, for those who are budget-conscious or prefer a more straightforward option, it might be best to stick with stock pistons. It's essential to carefully consider the pros and cons before making a decision and, if necessary, consult with a professional mechanic for expert advice.

Details:

1984 1993 Harley-Davidson Softail Standard FXST. Economical with great performance, all in one package. Kits include two pistons, wrist pins and clips. Accept OEM or Hastings rings order separately.

Specs: PRODUCT NAMEPISTON, PISTON MATERIALALUMINUM, BORE SIZE3.518, - OVERSIZE 0,020, 0.020, DIAMETER3.518, STROKE length 4-1/4, COMPRESSION RATIO8.5:1, UNITSKIT, RIDING STYLESTREET. Some fitments feature pistons with a coating that extends piston life, reduces friction and allows for cooler running engines. Ideal for OEM replacement. Features: OEM quality cast aluminum alloy construction.

1984 1994 Harley-Davidson Tour Glide Classic FLTC. 1984 1993 Harley-Davidson Sport Glide FXRT.

part #: ds750742 price

• $114.28

specifications pistondon:

• for models: Twin, Evo
• brand: Drag Specialties
• mpn: Ds-750742
• part type: Piston

returns pistondon:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

seller pistondon:

• city: Lawton, Michigan
• rating: 99.5%
• # reviews: 95085

payments pistondon:

• credit card: Discover
• wallet: Paypal
• other

shipping pistondon:

• service: FedEx Ground or FedEx Home Delivery
• carrier: FedEx
• type: Fixed
• class: Standard
• cost: $0.00
• transit: 4-10 Days

offer pistondon:

• availability: In Stock
• quantity: 2
• started: March 21, 2025
• sold: 0
• options: Ship-to-home

general pistondon:

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

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