JE PISTONS 400179 Piston Kit 0910-7027 4.080 4.625 12.0

( Brand: Je Pistons ), ( Manufacturer Part Number: 400179 ), ( Part Type: Piston )

Review JE PISTONS Piston Kit 4.080 Inch Bore 4.625 Stroke 12.0 fits CR

The JE Pistons 400179 0910-7027 piston kit is a high-performance aftermarket solution designed for engines with a bore size ranging from 4.080 inches to 4.625 inches and a stroke length of 12.0 inches. This kit is suitable for various applications, including high-performance racing, hot rods, and custom builds.

The pistons are engineered using JE's proprietary forging process, ensuring superior strength, durability, and consistency. Each piston undergoes rigorous testing to ensure they meet the highest standards for precision and reliability. The piston design incorporates a dish shape and a domed top ring land to optimize combustion efficiency and power output.

The piston skirts feature a full-length, split ring groove to accommodate various ring designs, including nitrided, chrome-aluminide, and molybdenum-coated rings. The piston pin bores are gun-drilled for precise alignment and reduced friction, while the pin bosses are designed to accommodate various pin sizes.

The pistons are also supplied with JE's proprietary piston pins, which are made from high-strength material and feature a unique, tapered design for improved load distribution and durability. The piston pin retaining clips are also included in the kit, ensuring a secure fit and reduced chance of failure.

The JE Pistons 400179 0910-7027 piston kit is designed to provide optimal power and durability for high-performance applications. Each piston is individually inspected and tested to ensure the highest quality and consistency. The kit includes all necessary components, including pistons, pins, and clips, making it a complete and convenient solution for engine builders and enthusiasts.

In summary, the JE Pistons 400179 0910-7027 piston kit is a high-performance solution for engines with a bore size ranging from 4.080 inches to 4.625 inches and a stroke length of 12.0 inches. The pistons are engineered using JE's proprietary forging process, incorporating a dish shape and domed top ring land for optimized combustion efficiency and power output. The piston skirts feature a full-length, split ring groove, and the pistons are supplied with JE's proprietary piston pins and clips. The kit is designed to provide optimal power and durability for high-performance applications and includes all necessary components for a complete and convenient solution.

The Je Pistons 400179 0910-7027 piston kit (4.080 inches bore, 4.625 inches stroke, 12.0 compression ratio) is a popular aftermarket option for certain engine applications. Here are some potential pros and cons of buying this piston kit:

1. High-quality materials: Je Pistons uses forged pistons made from 2618-T6 aluminum alloy, which is known for its strength and durability.

2. Precise dimensions: These pistons are designed to fit specific engine applications, ensuring a proper fit and function.

3. Enhanced performance: By using higher compression pistons, these pistons can help improve engine performance and power output.

4. Replacement for worn-out pistons: If you have worn-out or damaged pistons in your engine, this kit can be an excellent replacement option.

5. Compatibility with various engine configurations: This piston kit is known to work with various engine configurations, including diesel and gasoline engines.

1. Cost: Aftermarket piston kits can be more expensive than OEM (original equipment manufacturer) pistons.

2. Installation complexity: Installing aftermarket pistons can be a complex process, requiring specialized tools and knowledge.

3. Potential need for additional components: Depending on your engine application, you may need to purchase additional components, such as rings, bearings, or connecting rods, to complete the installation.

4. Risk of damage during installation: Improper installation techniques can result in damage to the pistons or other engine components.

The Je Pistons 400179 0910-7027 piston kit offers several advantages, including high-quality materials, precise dimensions, and the potential for enhanced performance. However, it also comes with some disadvantages, such as cost, installation complexity, and the potential need for additional components. Ultimately, the decision to purchase this piston kit depends on your specific engine application, budget, and installation capabilities.

If you are confident in your installation abilities, have the necessary tools and resources, and value the potential performance benefits, then the Je Pistons 400179 0910-7027 piston kit may be a worthwhile investment. However, if you are unsure about your installation abilities or prefer a more straightforward option, it may be worth considering OEM pistons or consulting a professional mechanic for advice.

Details:

Made in the USA. Accumulator groove taps combustion gases below the top ring to promote more consistent, positive seal and performance. Skirt notches for optimal clearance at bottom dead center. 2023,2025Harley- Road Glide FLTRXSE, Street FLHXSE, 2025Harley- ST FLTRXSTSE.

Includes two Pistons, premium ring packs, wrist pins and wire locks. This fitment information is based upon the stock version of motorcycle or unit referenced and any accessory added other modification could invalidate quick reference provided. JE PISTONS 0910-7027 400179 Piston Kit 4.080 bore - 4.625 stroke 12.0:1 Cr 121 m8. Offset pins reduce piston rock and minimize operating noise.

Skirt coating reduces operating friction and wear. Specs: Bore Size4.080, Compression Ratio12.0:1, Displacement121, Stroke length 4.625, Units Kit, Product Name Piston Kit, Riding Style Street, Piston Material Forged 2618 Aluminum.

part #: 400179 price

• $656.99

specifications pistondon:

• for models: Cr
• brand: Je Pistons
• mpn: 400179
• part type: Piston

seller pistondon:

• # reviews: 3910
• rating: 100.0%
• city: Omaha, NE

shipping pistondon:

• transit: 3-4 Days
• service: FedEx Ground / FedEx Home Delivery, USPS First Class, USPS Priority Mail, UPS Ground
• type: Fixed
• class: Standard, Expedited
• carrier: FedEx, USPS, UPS
• cost: $0.00

general pistondon:

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

offer pistondon:

• options: Ship-to-home
• quantity: 9
• availability: In Stock
• started: March 7, 2026
• sold: 0

returns pistondon:

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

payments pistondon:

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

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