1. Pistons, Rings & Piston Kits Products
  2. sku: 11712008597790773
  3. CP CARRILLO 274517

CP-CARRILLO 274517 Cam Big Piston Kit 117 4.125

fits model: 125, Twin. make: Harley, Davidson.

274517 Cp-carrillo Harley Davidson Twin-cam Big Twin 117 Inch Piston Kit 4.125

( Brand: Cp-carrillo ), ( Manufacturer Part Number: 274517 ), ( Type: Piston Kit ), ( Country Of Origin: United States )

Review CP CARRILLO Harley Davidson Twin cam Big 117 Inch Piston Kit 4.125 fits TWIN 125

Introducing the CP-Carrillo 274517 Harley-Davidson Twin-Cam Big Twin 117 piston kit, designed specifically for Harley-Davidson's Twin-Cam 117 engine. This high-performance piston kit is an excellent upgrade for riders seeking enhanced power and durability.

The pistons in this kit are made from forged 2618-T6 aluminum alloy, ensuring superior strength and reliability. With a compression height of 4.125 inches, these pistons provide increased compression ratio, allowing for optimal combustion and increased horsepower. The piston skirt is designed with a full-length oil squirter, ensuring proper lubrication and reducing friction.

The CP-Carrillo pistons feature a unique, patented design known as the "Diamond-Like Carbon (DLC) coating." This advanced coating is applied to the piston skirt and piston pin, reducing friction and promoting longer piston life. The DLC coating also provides increased durability against scuffing and wear, ensuring that your engine performs at its best for longer periods.

The piston crown is engineered with a flat-top design, providing excellent combustion efficiency and reducing detonation. This design also allows for easy ring installation and removal, making it an excellent choice for those seeking a high-performance piston kit.

The CP-Carrillo 274517 piston kit includes four pistons, four piston pins, and four piston rings. Each piston is precision machined to ensure a perfect fit and optimal engine performance. The kit also includes a comprehensive installation manual, making the installation process as simple and straightforward as possible.

In conclusion, the CP-Carrillo 274517 Harley-Davidson Twin-Cam Big Twin 117 piston kit is an excellent upgrade for any Harley-Davidson Twin-Cam 117 engine. With its forged aluminum pistons, advanced DLC coating, and flat-top piston crown design, this kit provides superior strength, enhanced power, and increased durability. Whether you're a weekend warrior or a professional racer, the CP-Carrillo 274517 piston kit is an investment in your engine's performance and longevity.

Pros and Cons of buying a CP-Carrillo 274517 Harley-Davidson Twin-Cam Big Twin 117 Piston Kit 4.125

1. Pros:

a. High-Performance: The CP-Carrillo pistons are known for their high-performance design, which can help improve your Harley-Davidson's power output and throttle response.

b. Durability: These pistons are made using advanced materials like forged aluminum alloy, ensuring superior durability and resistance to engine stress and heat.

c. Customizability: The kit includes four pistons, allowing you to upgrade each cylinder in your Harley-Davidson engine for a more balanced performance improvement.

d. Compatibility: These pistons are designed specifically for Harley-Davidson Twin-Cam Big Twin engines with a bore size of 4.125 inches, ensuring a perfect fit.

2. Cons:

a. Cost: The CP-Carrillo piston kit is a significant investment, and the price may be prohibitive for some Harley-Davidson owners.

b. Installation: Installing the new pistons requires a good deal of mechanical knowledge and skill, which may necessitate hiring a professional mechanic or engine builder.

c. Break-in Period: After installation, the pistons will need to be broken in carefully to ensure proper sealing and optimal performance. This process can be time-consuming and may require additional resources.

Ending Conclusion:

The CP-Carrillo 274517 Harley-Davidson Twin-Cam Big Twin 117 Piston Kit 4.125 offers several advantages, including improved performance, durability, and customizability. However, the high cost and the need for professional installation and careful break-in may deter some potential buyers.

Recommendation:

If you're an experienced Harley-Davidson owner looking to significantly boost your engine's performance and durability, the CP-Carrillo piston kit is an excellent choice. Ensure that you have the necessary skills and resources to install the pistons properly, and be prepared for the investment. For those with less experience or a tighter budget, there may be other, more affordable upgrades to consider.

Details:

These pistons were custom built for a project.

part #: 274517 price

  • $249.99

specifications pistondon:

  • for models: 125, Twin
  • for makes: Harley, Davidson
  • brand: Cp-carrillo
  • mpn: 274517
  • type: Piston Kit
  • country of origin: United States

returns pistondon:

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

payments pistondon:

  • wallet: Google-pay
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  • credit card: Discover

shipping pistondon:

  • service: Standard
  • type: Fixed
  • transit: 2-6 Days
  • cost: $14.00
  • class: Standard

offer pistondon:

  • availability: In Stock
  • started: April 8, 2026
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • best offers: True

general pistondon:

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

seller pistondon:

  • # reviews: 39678
  • city: Bettendorf, Iowa
  • rating: 99.9%
for models: 125, twin, for makes: harley, davidson, type: piston kit, country of origin: united states,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 11712008597790773,

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1 offer $249.99 USD
  • Offer #1: $249.99 price + $14.00 shipping estimate = $263.99* total. These pistons were custom built for a custom project.+$14.00 shipping

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