WISECO 4939M08450 Piston Kit Compression 193564126320 84.5MM

( Brand: Wiseco ), ( Manufacturer Part Number: 4939M08450 ), ( Part Type: Piston Compression ), ( UPC: 193564126320 )

Review WISECO Piston Kit 84.5mm Compression fits STD 2011

The WISCO 4939M08450 piston kit is a high-performance replacement solution for standard compression engines with a piston bore measurement of 84.5mm. This piston kit is designed to deliver superior power and efficiency, making it an excellent choice for those seeking to enhance their engine's performance.

The pistons in this kit are forged from high-strength aluminum alloy, ensuring superior strength and durability. The piston crowns are engineered with a dish design to optimize combustion and improve power output. The piston skirts are optimized for a snug fit within the engine cylinder, reducing friction and ensuring efficient power transfer.

The piston rings included in this kit are made from high-quality materials, designed to provide excellent sealing and reduce engine blow-by. The piston rings are also designed to minimize friction, ensuring smooth engine operation and reducing wear and tear.

The piston pins are made from chrome molybdenum steel, providing excellent strength and resistance to wear and tear. The piston pin bore is precision machined to ensure a perfect fit within the piston and the connecting rod.

The top compression rings in this kit are designed with a thin, low-tension, chrome molybdenum alloy, ensuring optimal sealing and reducing the risk of ring damage during the engine's compression stroke. The second compression rings are made from a high-temperature, low-friction, cast iron material, providing excellent sealing and durability.

The piston kit also includes new piston pin bushings, ensuring a perfect fit and reducing the risk of engine noise and vibration. The piston kit is designed to be a direct replacement for the OEM pistons, ensuring easy installation and minimal engine downtime.

In summary, the WISCO 4939M08450 piston kit is a high-performance solution for standard compression engines seeking improved power and efficiency. The pistons are forged from high-strength aluminum alloy, the piston rings are made from high-quality materials, and the piston pins are made from chrome molybdenum steel. The kit includes new piston pin bushings and is designed to be a direct replacement for the OEM pistons, ensuring easy installation and minimal engine downtime.

The Wiseco 4939M08450 piston kit, with a bore size of 84.5mm and standard compression, is a popular choice among engine builders and enthusiasts. Let's discuss the potential advantages and disadvantages of purchasing this piston kit:

1. Enhanced Performance: Wiseco pistons are known for their high-performance capabilities. The 4939M08450 kit is no exception. These forged pistons offer increased strength and durability, allowing for higher compression ratios and improved engine performance.

2. Customizable: This piston kit comes with various options for ring packages and skirt coatings, allowing you to tailor the piston setup to your specific engine requirements.

3. High-Quality Materials: Wiseco uses top-grade materials in their pistons, such as 2618-T6 aluminum alloy and proprietary ring materials. These materials contribute to the pistons' strength, durability, and performance.

4. Precise Manufacturing: Wiseco's pistons undergo a rigorous manufacturing process, ensuring a high degree of precision and uniformity in size, shape, and weight.

5. Wide Applicability: The 84.5mm bore size and standard compression rating make this piston kit suitable for a wide range of engines, both stock and highly modified.

1. Cost: Compared to stock pistons, Wiseco pistons can be quite expensive. The 4939M08450 piston kit is no exception, which may deter some engine builders or enthusiasts with tighter budgets.

2. Complex Installation: Installing aftermarket pistons like the Wiseco 4939M08450 kit can be a complex and time-consuming process, requiring significant engine disassembly and precise installation techniques.

3. Risk of Damage: Since aftermarket pistons are designed for high-performance applications, there is a higher risk of damaging them during installation or operation if not properly executed or maintained.

The Wiseco 4939M08450 piston kit offers several advantages, including enhanced engine performance, customizability, high-quality materials, and precision manufacturing. However, it also comes with disadvantages, such as a higher cost, complex installation, and increased risk of damage. If you are looking to build or upgrade an engine for high performance and are willing to invest time, effort, and money, the Wiseco 4939M08450 piston kit could be a solid choice. Otherwise, stock pistons or less expensive aftermarket options may be more suitable for your needs.

If you are committed to building or upgrading an engine for high performance and are willing to invest the time, effort, and money into the project, the Wiseco 4939M08450 piston kit could be a worthwhile investment. However, carefully consider your budget, engine specifications, and installation capabilities before making a purchase. If you're on a tighter budget or prefer a less complex installation process, you may want to explore alternative piston options or stick with stock pistons.

Details:

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. Labeling a product as being for Racing Only or Closed Course Competition is not sufficient it to be included under this classification. Ask a question at the bottom of. Slip on mufflers in applications whereby the catalyst is not contained original muffler an example of a replacement part.

4939M08450: Pistons come without gasket kit. Some items are made to order and can have longer lead times; check the shipping details for an estimate. 2-Stroke Pro-Lite Pistons feature lightweight forging for instant throttle response and maximum torque. Replacement Parts that have the same function and affect on emissions as they are replacing.

Race-ready dome design provides improved combustion flow and armor glide skirt coating reduced friction racing applications only. Competition or Racing Vehicle Parts that are used exclusively in competition on race only vehicles. Computer engineered piston skirt profiles provide minimal cylinder wall friction. Wiseco Yamaha YFM450 Grizzly/Rhine/Kid/Wolverine 111 Piston Kit, Racing Choice Pistons are 1 ring, 2-Stroke or 2 4-Stroke with reduced weight and friction as well increased power throttle response.

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. 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. Note that service intervals may be increased over conventional Wiseco Pistons. EO number and will arrive with appropriate labels to indicate the approved status.

It must be a competition vehicle and not used at any time on public highway. Piston kit includes piston, rings, wrist pin and cir clips. These parts do not require approval as long they are used on public highways. 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.

Check the shipping calculator for estimated costs. Anti-detonation grooves and new ring land diameter eliminates blow-by while maximizing engine performance. Note that oversize requires cylinder sleeking and top end bearing is not included in kits. Piston kit includes pistons, rings, wrist pins and cir clips.

part #: 4939m08450 prices

• $158.88-$232.95

specifications pistondon:

• for models: Std
• for years: 2011
• brand: Wiseco
• mpn: 4939m08450
• part type: Piston Compression
• upc: 193564126320

seller pistondon:

• rating: 99.5%
• city: Lebec, California
• # reviews: 103330

returns pistondon:

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

payments pistondon:

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

general pistondon:

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

shipping pistondon:

• transit: 4-10 Days
• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard

offer pistondon:

• options: Ship-to-home
• started: April 4, 2025
• quantity: 5
• sold: 0
• availability: In Stock

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