WISECO PK1659 Top End Piston Kit Compression 193564154279 12.2 90.00MM

( Brand: Wiseco ), ( Manufacturer Part Number: PK1659 ), ( UPC: 193564154279 ), ( C.a.r.b. Notice: Not Legal For Sale Or Use In California ), ( Bore Actual: 90.00mm ), ( Bore Size: 90.00 Mm ), ( Compression Ratio: 12.2 ), ( Displacement: 398cc ), ( Note: Cylinder Deglazing Required ), ( Stroke: 62.60mm ), ( Type: Piston Kit )

Review WISECO Top End Piston Kit 12.2 Compression 90.00mm Bore fits STD

The WiseCo Top End Piston Kit with Part Number 193564154279 is a high-performance replacement solution designed for engines in need of an upgrade. This piston kit is suitable for 12.2 compression engines and comes with standard bore diameter of 90.00mm.

Each piston in this kit is meticulously crafted from forged aluminum alloy, ensuring exceptional strength and durability. The piston crowns are engineered with a dish design for optimal combustion chamber shape, while the piston skirts feature a full-floating design to minimize friction and wear.

The piston rings included in this kit are of the highest quality, designed to provide superior sealing and ring grooves engineered for a perfect fit. These piston rings are made from a heat-resistant material to ensure consistent performance even under heavy load.

The piston pins, another essential component of this kit, are precision machined from steel to ensure a perfect fit and maximum strength. The piston pin bore diameter is designed to match the piston perfectly, ensuring smooth operation and minimal friction.

The piston kit also includes an offset wrist pin, which is crucial for maintaining proper piston-to-connecting rod clearance. The offset design ensures that the piston stays in its proper position within the engine, reducing the likelihood of damage.

This WiseCo Top End Piston Kit is a complete solution for engine rebuilders or enthusiasts looking to upgrade their engine's performance. Each component is meticulously designed and manufactured to ensure a perfect fit and optimal performance. This kit is an excellent investment for those seeking increased power, improved efficiency, and enhanced durability for their engine.

The Wiseco 193564154279 Top End Piston Kit (12.2 compression, 90.00mm standard stroke, PK1659) is a popular aftermarket option for those looking to upgrade their engine's performance. Here are some potential pros and cons of purchasing this kit:

1. Improved Performance: The piston kit is designed to provide better compression and improved power delivery, making it an attractive option for those looking to boost their engine's performance.

2. Affordable: Compared to other aftermarket piston kits from well-known brands, the Wiseco option is often more affordable, making it a cost-effective choice for many.

3. Easy Installation: The kit comes with all the necessary components for a complete top end rebuild, making the installation process relatively straightforward for those with some mechanical skills.

1. Quality Concerns: Some customers have reported issues with the quality of the pistons, rings, and other components in the kit. This could potentially lead to short-term failures or reduced engine life.

2. Compatibility: The kit is designed for specific engine applications, and it's essential to ensure that it is compatible with your engine before making a purchase. Failure to do so could result in compatibility issues, which could lead to engine damage.

3. Potential for Engine Damage: Installing aftermarket pistons and other engine components can be risky, as there is always a chance of damaging the engine if the installation is not done correctly. It's essential to follow the instructions carefully and ensure that all components are installed correctly to avoid potential issues.

The Wiseco 193564154279 Top End Piston Kit (12.2 compression, 90.00mm standard stroke, PK1659) can be an attractive option for those looking to improve their engine's performance while keeping costs relatively low. However, it is essential to be aware of the potential risks, including quality concerns, compatibility issues, and the risk of engine damage during installation. Careful research and consideration before making a purchase, as well as following the installation instructions carefully, can help mitigate these risks.

If you have a good understanding of engine mechanics and are comfortable with the installation process, the Wiseco piston kit could be a cost-effective way to improve your engine's performance. However, if you are unsure about your mechanical abilities or have concerns about the quality of the kit, it may be worth considering purchasing a more expensive option from a well-known brand to ensure the best possible results. Ultimately, it's essential to weigh the potential benefits against the risks before making a decision.

Details:

Slip on mufflers in applications whereby the catalyst is not contained original muffler an example of a replacement part. CW20 - 20mm Round Wire Locks Set of Two. Check the shipping calculator for estimated costs. EO number and will arrive with appropriate labels to indicate the approved status.

4713M09000 - Suez DRZ/Z400 '00-19/Jaw KLX/KFX400'03-06. Labeling a product as being for Racing Only or Closed Course Competition is not sufficient it to be included under this classification. Competition or Racing Vehicle Parts that are used exclusively in competition on race only vehicles. If the vehicle has a catalyst and installation of part does not remove catalyst, all other emissions related controls are reconnected, then this is considered replacement.

Wiseco complete top end Piston Kits are offered for nearly every popular motorcycle application. These parts do not require approval as long they are used on public highways. Some items are made to order and can have longer lead times; check the shipping details for an estimate. S549 - Piston Pin 20mm x 2.002 Non Chromed TW.

Each piston is built from race proven designs that are chosen by the top teams in all forms of racing including Supergrass, Motocross, GNCC, Super bike, and more. It must be a competition vehicle and not used at any time on public highway. Ask a question at the bottom of. Modified Parts that alter the emissions control related performance from original part they are replacing, These may have catalysts in them but perform differently equipment or require alteration elimination of other components such as oxygen sensors.

Full exhaust systems installed on vehicles that did not originally contain a catalyst and whereby the design allows re installation original function of any other emissions control related components are also considered replacement parts. PK1659: Includes The Following Components35433XR - 90.00mm Ring Set. This means that if a vehicle was not originally equipped with catalyst and all other emissions related controls were connected such as oxygen sensors are reconnected, then the part is considered Replacement Part. Replacement Parts that have the same function and affect on emissions as they are replacing.

High Performance ring kit and alloy pin included with each piston for extended life sustained power.

specifications pistondon:

• for models: Std
• brand: Wiseco
• mpn: Pk1659
• upc: 193564154279
• c.a.r.b. notice: Not Legal For Sale Or Use In California
• bore actual: 90.00mm
• bore size: 90.00 Mm
• compression ratio: 12.2
• displacement: 398cc
• note: Cylinder Deglazing Required
• stroke: 62.60mm
• type: Piston Kit

returns pistondon:

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

shipping pistondon:

• service: Standard
• transit: 4-7 Days
• cost: $0.00
• class: Standard
• type: Fixed

general pistondon:

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

offer pistondon:

• started: March 19, 2026
• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0

seller pistondon:

• rating: 99.8%
• city: Lebec, California
• # reviews: 111074

payments pistondon:

• wallet: Apple-pay
• other
• credit card: Visa

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