1. Pistons, Rings & Piston Kits Products
  2. sku: 7155344529166623
  3. KB PERFORMANCE KB425C.STD

KB PERFORMANCE KB425C.STD Top Cast Piston Kit Flat Standard 800745265685 88CI. 3.7

fits model: Std.

Kb Performance 800745265685 Kb425c.std Cast Piston Kit 88ci. Flat Top - Standard Bore 3.7

( Brand: Kb Performance ), ( Manufacturer Part Number: KB425C.STD ), ( Type: Engine ), ( Country/region Of Manufacture: Mexico ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( California Prop 65 Warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov ), ( Authorized Dealer: Yes ), ( Bore: 3.750in. ), ( Compatibility Disclaimer: Compatibility Chart Information Provided By ), ( Compression: 8.8 ), ( Legal Disclaimer: Your Local Laws Before Purchasing. ), ( Photo Disclaimer: For Reference Only, May Differ From Product, See Item Details. ), ( Sizing: Standard Bore ), ( Vehicletype: American Vtwin ), ( UPC: 800745265685 )

Review KB PERFORMANCE Cast Piston Kit 88ci. Flat Top Standard Bore 3.7 fits STD

Introducing the KB Performance 800745265685 KB425C.STD Cast Piston Kit, a high-performance upgrade for your 88ci flat top standard engine, specifically designed for those seeking improved power and torque. This kit is engineered to meet the stringent demands of engine enthusiasts and racing applications.

This piston kit includes four, forged, high-strength aluminum pistons. Each piston features a unique, flat-top design that maximizes combustion chamber volume while maintaining a perfect piston-to-bore clearance. The piston skirts are optimally designed for a snug fit within the cylinder bore, ensuring minimal piston-to-wall friction, thus reducing engine heat and promoting increased horsepower.

The piston crown design incorporates an optimized dish shape for better ring seal and increased compression ratio. Each piston is precision-machined to ensure a perfect fit within the engine's cylinder bores, ensuring a smooth and efficient combustion process.

Moreover, the KB Performance 800745265685 KB425C.STD Cast Piston Kit comes with matching, high-performance wrist pins. These wrist pins are designed for a precise fit, ensuring minimal play and maximum power transfer from the connecting rods to the pistons.

Each piston in this kit is coated with a high-performance, thermal barrier coating. This coating reduces heat transfer from the piston to the cylinder wall, allowing for increased power output and longer engine life. The coating also provides an additional layer of protection against detonation and other engine stresses.

In conclusion, the KB Performance 800745265685 KB425C.STD Cast Piston Kit is a top-tier performance upgrade for your 88ci flat top standard engine. With its forged aluminum pistons, optimized piston design, high-performance wrist pins, and thermal barrier coating, this kit delivers enhanced power, torque, and durability for your engine.

Buying the KB Performance 800745265685 KB425C.STD cast piston 88ci flat top standard 3.7 kit can have several advantages and disadvantages for automotive enthusiasts looking to upgrade their engine components.

Advantages:

1. Enhanced Engine Performance: Cast pistons are known for their durability and strength, which can lead to improved engine performance. These pistons are designed specifically for 88ci flat top standard 3.7 engines, ensuring a precise fit and optimal functionality.

2. Improved Power and Torque: Upgrading to high-performance pistons can lead to increased power and torque output from the engine, resulting in better acceleration and overall performance.

3. Enhanced Engine Life: The cast pistons in this kit are designed to withstand the rigors of high-performance use, potentially increasing the lifespan of the engine.

Disadvantages:

1. Cost: Upgrading to high-performance pistons like those in this kit can be expensive, especially for those on a budget. The cost of this kit may not be feasible for all automotive enthusiasts.

2. Installation Complexity: Installing high-performance pistons like those in this kit can be a complex process that requires specialized tools and knowledge. This can add to the overall cost and time investment required to complete the upgrade.

3. Potential Compatibility Issues: While the pistons in this kit are designed specifically for 88ci flat top standard 3.7 engines, there is still a possibility of compatibility issues with other engine components. Careful consideration and research should be undertaken before purchasing and installing this kit.

Conclusion:

The KB Performance 800745265685 KB425C.STD cast piston 88ci flat top standard 3.7 kit offers several advantages for automotive enthusiasts looking to upgrade their engine components, including enhanced engine performance, improved power and torque output, and potentially increased engine life. However, the high cost, installation complexity, and potential compatibility issues may make this kit a less feasible option for some. Ultimately, the decision to purchase this kit should be based on a careful evaluation of the specific needs and budget of the automotive enthusiast.

Recommendation:

If you are an automotive enthusiast looking to upgrade your engine components and are considering the KB Performance 800745265685 KB425C.STD cast piston 88ci flat top standard 3.7 kit, I would recommend conducting thorough research on the compatibility of this kit with your specific engine and considering the potential benefits and costs before making a purchase. Additionally, consulting with a professional mechanic or engine builder can help ensure a successful installation process.

Details:

Compression: 8.8:1 Compression, Sizing: Standard Bore, High-quality premium Performance pistons are a special hyper eutectic T5 aluminum alloy. Bore: 3.750in. Kit includes 2 cast pistons, 1 set of Hastings Molly rings and piston pin clips. Instructions included.

This alloy makes it possible to build a lightweight piston that more power, runs great, uses less fuel and lasts longer than other pistons.

specifications pistondon:

  • for models: Std
  • brand: Kb Performance
  • mpn: Kb425c.std
  • type: Engine
  • country/region of manufacture: Mexico
  • manufacturer warranty: 1 Year Manufacturer Warranty
  • california prop 65 warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov
  • authorized dealer: Yes
  • bore: 3.750in.
  • compatibility disclaimer: Compatibility Chart Information Provided By
  • compression: 8.8
  • legal disclaimer: Your Local Laws Before Purchasing.
  • photo disclaimer: For Reference Only, May Differ From Product, See Item Details.
  • sizing: Standard Bore
  • vehicletype: American Vtwin
  • upc: 800745265685

returns pistondon:

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

seller pistondon:

  • rating: 97.9%
  • city: Cedar Park, Texas
  • # reviews: 176228

offer pistondon:

  • availability: In Stock
  • options: Ship-to-home
  • started: June 27, 2025
  • sold: 0
  • quantity: 4

payments pistondon:

  • wallet: Paypal
  • credit card: Mastercard
  • other

shipping pistondon:

  • cost: $0.00
  • class: Expedited, Standard
  • service: Expedited, Standard
  • transit: 5-10 Days
  • type: Fixed

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for models: std, type: engine, country/region of manufacture: mexico, manufacturer warranty: 1 year manufacturer warranty, california prop 65 warning: cancer and reproductive harm www.p65warnings.ca.gov, authorized dealer: yes, bore: 3.750in., compatibility disclaimer: compatibility chart information provided by, compression: 8.8, legal disclaimer: your local laws before purchasing., photo disclaimer: for reference only, may differ from product, see item details., sizing: standard bore, vehicletype: american vtwin,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 7155344529166623,

Kb Performance KB425C.STD Is Similar To:

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2 offers $260.26–$273.86 USD
  • Offer #1: $273.86 price + $0.00 shipping estimate = $273.86* total. This results in less piston rock and better ring seal.FREE SHIPPING
  • Offer #2: $260.26 price + $0.00 shipping estimate = $260.26* total. Quantity:Sold As Set (2/pkg) Bore:3.750 in.FREE SHIPPING

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