1. Pistons, Rings & Piston Kits Products
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  3. VERTEX 24271A

VERTEX 24271A High Comp Forged Piston Kit 639853711926

fits model: Yz, 450. make: Yamaha. year: 2018.

24271a Vertex High Comp Forged Piston Kit For Yamaha Yz 450 F 18

( Brand: Vertex ), ( Manufacturer Part Number: 24271A ), ( Part Type: Piston ), ( Country Of Origin: Italy ), ( UPC: 639853711926 )

Review VERTEX High Comp Forged Piston Kit For Yamaha fits YZ 450 2018

The Vertex 24271A High Comp Forged Piston Kit is specifically designed for Yamaha YZ 450F and YZ 450X models from 2018 onwards. This piston kit is an upgrade for those seeking enhanced performance from their motorcycle.

The forged pistons feature a high compression design, with a compression height of 11.0 mm and a total height of 27.2 mm. This results in a compression ratio of approximately 13.7:1, providing improved combustion efficiency and increased power output. The piston skirt is designed with a full-skirted, shot-peened, and nitrided finish to ensure superior strength and durability.

The piston kit also includes a set of lightweight, high-strength, forged connecting rods. These rods are designed to perfectly match the forged pistons, ensuring optimal engine balance and performance. The rods feature a polished finish, which not only looks great but also helps to reduce friction and wear.

The piston kit comes with new piston rings, including a compression ring, an oil control ring, and a skirt ring. These rings are made from high-quality materials that provide excellent sealing and durability.

The Vertex 24271A High Comp Forged Piston Kit is designed to provide improved power and torque, making it ideal for riders who demand the best performance from their Yamaha YZ 450F or YZ 450X. The kit is easy to install, with all necessary hardware included in the package. It's important to note that installation should only be done by a professional mechanic or someone with extensive experience in motorcycle engine rebuilding.

In summary, the Vertex 24271A High Comp Forged Piston Kit is a high-performance upgrade for Yamaha YZ 450F and YZ 450X models from 2018 onwards. It features forged pistons with a high compression design, forged connecting rods, and new piston rings, all of which contribute to improved combustion efficiency, increased power output, and enhanced durability.

Vertex 24271A High Comp Forged Piston Kit for Yamaha YZ 450F: An Informed Decision

The Vertex 24271A High Comp Forged Piston Kit is a popular aftermarket upgrade for the Yamaha YZ 450F dirt bike. This kit promises improved engine performance through the use of forged pistons and high compression rings. In this analysis, we will discuss the potential benefits and drawbacks of investing in this piston kit.

Pros:

1. Enhanced engine performance: The high-compression pistons and rings can potentially increase power output and torque, resulting in improved acceleration and overall performance.

2. Durability: Forged pistons are known for their superior strength and durability compared to cast pistons, which can reduce the likelihood of piston failure and engine damage.

3. Customizability: The ability to choose higher compression ratios allows riders to tailor the engine to their specific riding style and preferences, as well as the track conditions.

4. Improved efficiency: The piston kit's higher compression ratio can lead to increased fuel efficiency, allowing riders to save on fuel costs and reduce their environmental impact.

Cons:

1. Complexity of installation: Installing the Vertex piston kit may require extensive knowledge of engine mechanics and components, potentially necessitating professional assistance or additional resources for a successful installation.

2. Increased cost: Compared to OEM piston kits, aftermarket upgrades like the Vertex 24271A can be more expensive. Riders must consider the potential performance gains and the long-term cost savings against the initial investment.

3. Potential power delivery concerns: Higher compression pistons can lead to increased power delivery, which may require adjustments to the bike's carburetor or fuel injection system to maintain proper engine operation.

4. Potential engine damage: Improper installation or use of incorrect parts could potentially cause engine damage, which could outweigh the benefits of the piston kit.

Conclusion:

The Vertex 24271A High Comp Forged Piston Kit offers numerous benefits, including enhanced engine performance, durability, customizability, and improved efficiency. However, it also comes with potential drawbacks, including installation complexity, increased cost, potential power delivery concerns, and potential engine damage.

For riders seeking maximum performance and durability from their Yamaha YZ 450F, the Vertex piston kit could be an excellent investment. However, it is essential to carefully consider the potential benefits, risks, and costs before making a decision.

Recommendation:

If you are an experienced rider with a solid understanding of engine mechanics and the resources to properly install the Vertex 24271A High Comp Forged Piston Kit, it could be an excellent choice for optimizing your Yamaha YZ 450F's performance. For those less experienced or lacking the necessary resources, it may be better to consider other upgrades or seek professional assistance before investing in this piston kit.

Details:

Product Features - YouTube. Why waste time sourcing a part here and there when you can get everything in one convenient kit. Cast and Forged Replica pistons are OE replacements with stock compression ratios. Custom made items may require more time to ship.

Vertex is the choice of enthusiasts who seek optimal performance in any power sport application. Includes Piston, rings, pin, clips. New Vertex High Comp Forged Piston Kit for Yamaha YZ 450 F 18 24271A. Vertex Piston Kit offers state-of-the-art, high-quality pistons for nearly any power sport use.

Big Bore pistons increase displacement and power while maintaining stock compression ratios. Vertex Piston Kits are based on the idea that you should spend less time repairing and more riding. Cast and Forged Race pistons are unique with only one compression ring. That's why these kits contain all the components you'll need to complete a specific type of repair.

The Vertex team of experts sources all the parts you'll need to complete repair and get back in action. Custom Made Items Warranty-Replacement, When sending a return to DB Electrical for repair or replacement, send the item with of what is wrong and will replace. The customer may use this label to return the item DB Electrical free of charge. If an immediate replacement is required before processing can occur, the customer purchase a second unit from DB Electrical to be shipped at once.

Warranty, Please refer to the items warranty on individual listing. Forged GP Racers Choice pistons have T-box forgings, unique dome profiles, surface treatments and increased compression ratios to produce more power, strength, durability. All piston kits include piston, rings, wrist pin, and cir clips. Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by oil consumption.

Warranty: 1 Year. Forged Hi-Comp pistons increase compression and power over Replica. Reasons to Choose Vertex Piston Kits. After the item is received by DB Electrical for processing, will send out a replacement unit.

Vertex High Comp Forged Piston Kit For Yamaha YZ 450 F 18 24271A: 24271A. Part Number: 24271A.

part #: 24271a prices

  • $194.45-$274.04

specifications pistondon:

  • for models: Yz, 450
  • for makes: Yamaha
  • for years: 2018
  • brand: Vertex
  • mpn: 24271a
  • part type: Piston
  • country of origin: Italy
  • upc: 639853711926

payments pistondon:

  • credit card: Diners-club
  • other
  • wallet: Google-pay

seller pistondon:

  • rating: 99.2%
  • # reviews: 428596
  • city: Circle Pines, Minnesota

offer pistondon:

  • options: Ship-to-home
  • started: June 9, 2025
  • availability: In Stock
  • sold: 0

general pistondon:

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

returns pistondon:

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

shipping pistondon:

  • type: Fixed
  • transit: 4-4 Days
  • service: Standard, Expedited
  • cost: $0.00
  • class: Standard, Expedited
for models: yz, 450, for makes: yamaha, for years: 2018, part type: piston, country of origin: italy,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 6881104777636641,

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5 offers $194.45–$274.04 USD
  • Offer #1: $194.45 price + $0.00 shipping estimate = $194.45* total. New Vertex High Comp Forged Piston Kit for Yamaha YZ 450 F (18).FREE SHIPPING
  • Offer #2: $194.45 price + $0.00 shipping estimate = $194.45* total.FREE SHIPPING
  • Offer #3: $274.04 price + $48.16 shipping estimate = $322.20* total. Vertex have been making race pistons for all small capacity race engines both 2 and 4 stroke for many years, the race piston from vertex always performs very well and in the case of the 4 stroke can be supplied as a high compression version. Fits: Yamaha WR 450F (4-stroke).+$48.16 shipping
  • Offer #4: $324.55 price + $26.64 shipping estimate = $351.19* total. - All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. PISTON KIT VERTEX 97.0 A HC YAMAHA YZ/WR 450 18-20, VERTEX HC COMPR 13,8:1 VERTEX UK PISTON KIT Pro HC High Compr.+$26.64 shipping
  • Offer #5: $285.99 price + $48.57 shipping estimate = $334.56* total. Yamaha YZ 450F (4-stroke).+$48.57 shipping

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