J.E. PISTONS 274759 Fsr Piston Kit Compres 4.00MM To 100.00MM 12.5

( Brand: J.e. Pistons ), ( Manufacturer Part Number: 274759 ), ( Type: Engine ), ( Country/region Of Manufacture: United States ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( California Prop 65 Warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov ), ( Authorized Dealer: Yes ), ( Bore: 100.00mm ), ( Compatibility Disclaimer: Compatibility Chart Information Provided By ), ( Compression: 12.5 ), ( Legal Disclaimer: Your Local Laws Before Purchasing. ), ( Photo Disclaimer: For Reference Only, May Differ From Product, See Item Details. ), ( Sizing: 4.00mm Oversize ), ( Vehicletype: Offroad )

Review J.E. PISTONS Fsr Piston Kit 4.00mm Oversize To 100.00mm 12.5 Compres

The JE Pistons 274759 FSR Piston Kit is an exceptional upgrade for your engine, designed for applications requiring a 4.00mm compression height and a piston diameter of 100.00mm. This piston kit is specifically engineered for a stroke length of 125mm, making it suitable for various high-performance applications.

Each piston in this kit is meticulously crafted using JE's proprietary forged design, ensuring superior strength and durability. The piston crown is CNC-machined to exacting specifications, ensuring a perfect fit and optimal combustion efficiency. The piston skirt is engineered with an optimized shape and coating to minimize friction and ensure optimal ring seal.

The piston kit includes piston pins, wrist pins, and piston rings. The piston pins are made from high-strength material and are shot-peened to improve fatigue strength. The wrist pins are designed to provide optimal clearance and are nitrided for increased wear resistance. The piston rings are made from top-quality materials and are precision-manufactured to ensure a perfect fit and optimal performance.

The JE Pistons 274759 FSR Piston Kit is designed to provide superior power output, increased efficiency, and excellent durability. Whether you're building a high-performance engine for racing or for your daily driver, this piston kit is an excellent choice for those seeking maximum performance and reliability.

In summary, the JE Pistons 274759 FSR Piston Kit is a high-performance solution for engines requiring a 4.00mm compression height, a piston diameter of 100.00mm, and a stroke length of 125mm. With its forged design, precision-manufactured components, and proven performance, this piston kit is an excellent investment for any engine builder seeking maximum power, efficiency, and reliability.

A Detailed Analysis of the JE Pistons 274759 FSR Piston Kit (4.00mm, 100.00mm, 12.5:1 Compression)

The JE Pistons 274759 FSR Piston Kit is a popular choice among engine builders and enthusiasts due to its high-performance design. This kit is specifically designed for applications requiring a 4.00mm piston pin, a 100.00mm piston diameter, and a 12.5:1 compression ratio. In this analysis, we will discuss the pros and cons of purchasing this piston kit to help you make an informed decision.

1. High-performance design: JE Pistons is known for its high-quality, race-proven piston designs. This kit is no exception, offering improved power output and thermal efficiency compared to stock pistons.

2. Customizable: This piston kit is available in various sizes and specifications, allowing customers to tailor the design to their specific engine configuration.

3. Durability: JE Pistons utilize advanced materials and manufacturing techniques to create pistons that can withstand extreme conditions, making them ideal for high-performance applications.

1. Cost: The JE Pistons 274759 FSR Piston Kit is more expensive than OEM (Original Equipment Manufacturer) pistons. This may be a significant investment for some engine builders or enthusiasts.

2. Complex installation process: Installing aftermarket pistons requires a high level of expertise and specialized tools. It may be necessary to hire a professional to ensure proper installation and setup.

3. Potential for engine damage: Improper installation or setup of aftermarket pistons can result in engine damage. It is crucial to follow the manufacturer's instructions carefully and consult with a professional if needed.

The JE Pistons 274759 FSR Piston Kit offers significant performance benefits, making it an attractive option for engine builders and enthusiasts. However, its high cost, complex installation process, and potential for engine damage are important considerations. If you have the necessary expertise, resources, and budget, this piston kit can help you achieve impressive power gains and improved engine efficiency. If not, it might be worth considering alternative solutions or seeking professional assistance before making a purchase.

If you are considering purchasing the JE Pistons 274759 FSR Piston Kit, we recommend thoroughly researching the installation process and consulting with a professional engine builder or specialist to ensure a successful installation. Additionally, carefully consider the benefits and challenges of this aftermarket solution against your specific application and budget. If you decide that the JE Pistons 274759 FSR Piston Kit is the right choice for you, be prepared for a rewarding and high-performance engine build.

Details:

Bore: 100.00mm, Compression: 12.5:1 Compression, Sizing: 4.00mm Oversize, From Dayton to Bonneville, JE Pistons continues set the standards in street bike piston design. Pins, pin fitment, lock and rings included. JE has recorded wins at Dayton with American Honda's CBR600RR, low Eats on the drag strip and land speed records Bonneville. Dome/ dish features smooth flowing radii; require no debarring or preparation.

Made in the USA. Vehicle Fitment: 2002 2008 fits HON CRF450R, 2005 2009 CRF450X, 2012 2017 CRF450X Machined from 2618-T6 high tensile forged aluminum.

part #: 274759 prices

• $309.99-$399.99

specifications pistondon:

• brand: J.e. Pistons
• mpn: 274759
• type: Engine
• country/region of manufacture: United States
• manufacturer warranty: 1 Year Manufacturer Warranty
• california prop 65 warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov
• authorized dealer: Yes
• bore: 100.00mm
• compatibility disclaimer: Compatibility Chart Information Provided By
• compression: 12.5
• legal disclaimer: Your Local Laws Before Purchasing.
• photo disclaimer: For Reference Only, May Differ From Product, See Item Details.
• sizing: 4.00mm Oversize
• vehicletype: Offroad

payments pistondon:

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

shipping pistondon:

• service: Expedited, Standard
• type: Fixed
• transit: 3-6 Days
• class: Expedited, Standard
• cost: $0.00

offer pistondon:

• started: August 17, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 2

returns pistondon:

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

seller pistondon:

• city: Cedar Park, Texas
• # reviews: 176559
• rating: 97.8%

general pistondon:

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

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