WISECO MN-4YHD Piston Kit Flhri Engine Yv MN/4YHD

( Brand: Wiseco ), ( Manufacturer Part Number: MN/4YHD ), ( Type: Piston Kits ), ( Compatible Year: 2006 2005 2004 2003 2002 2001 2000 ), ( Compatible Make: Harley Davidson ), ( Compatible Model: Flhri Road King ), ( Bundle Description: 1 Pc Genuine Wiseco Piston Kits ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review WISECO Mn/4yhd Piston Kit For Harley Davidson Flhri Engine Yv fits ROAD KING 2000–2006

The WiseCo MN/4YHD piston is a high-performance upgrade for Harley-Davidson FLHRI Road King engines manufactured between 2000 and 2006. This piston is part of the YV kit and is designed to deliver enhanced power, improved thermal efficiency, and increased durability to your Harley-Davidson engine.

The WiseCo MN/4YHD piston is precision-engineered using only the finest materials. Each piston undergoes a rigorous manufacturing process that includes advanced CNC machining and strict quality control measures to ensure a perfect fit and optimal performance. The piston features a forged design, which provides superior strength and durability compared to cast pistons.

The MN/4YHD piston has a dish diameter of 4.00 inches and a compression height of 1.202 inches. The piston skirt is designed with a optimized shape and surface finish to minimize friction and ensure a smooth engine operation. The piston crown is optimized for efficient combustion, allowing for a higher compression ratio and increased power output.

The WiseCo MN/4YHD piston also includes a nitrided wrist pin, which provides improved durability and reduces friction between the piston and connecting rod. The piston rings are made from high-quality, low-friction materials to ensure a tight seal and efficient combustion.

Installing the WiseCo MN/4YHD piston in your Harley-Davidson engine is a straightforward process that can be done with common hand tools. The piston is designed to work seamlessly with your existing engine components, making it an excellent choice for riders who are looking to enhance the performance of their Road King without the need for a full engine build.

Overall, the WiseCo MN/4YHD piston is an excellent upgrade for Harley-Davidson FLHRI Road King engines. It delivers increased power, improved thermal efficiency, and enhanced durability, making it an ideal choice for riders who want to get the most out of their motorcycle. With its precision engineering, high-quality materials, and easy installation, the WiseCo MN/4YHD piston is a must-have for any serious Harley-Davidson enthusiast.

The Wiseco MN/4YHD piston kit for the Harley-Davidson 2000-2006 FLHRI Road King engine is a popular aftermarket upgrade among motorcycle enthusiasts. This piston kit offers several benefits, but it also comes with some potential drawbacks. Here's a breakdown of the pros and cons:

1. Enhanced Performance: The Wiseco pistons are designed to provide better compression and improved power output, making your engine more responsive and delivering better performance.

2. Durability: These pistons are made from high-quality forged aluminum alloy, which is stronger than the OEM cast pistons. This results in increased durability and reduced wear and tear.

3. Lightweight: The Wiseco pistons are lighter than their OEM counterparts, which can help reduce engine weight and improve overall performance.

4. Customizable: The Wiseco piston kit offers various options for ring sizes, allowing you to customize your engine to better suit your riding style and power goals.

1. Cost: The Wiseco piston kit is more expensive than the OEM pistons, which can be a significant investment for some riders.

2. Installation: Installing the Wiseco pistons requires more expertise and experience than a standard piston swap. It's recommended to have the installation done by a professional mechanic.

3. Potential Engine Tuning: Depending on the specific modifications you have made to your engine, the Wiseco pistons may require additional engine tuning to ensure optimal performance.

The Wiseco MN/4YHD piston kit for the Harley-Davidson 2000-2006 FLHRI Road King engine offers several benefits, including enhanced performance, increased durability, and customizable options. However, it also comes with some potential drawbacks, such as a higher cost, more complex installation, and the need for potential engine tuning.

If you are an experienced rider with a good understanding of motorcycle engine mechanics and have the financial resources to invest in the kit, the Wiseco pistons can be an excellent upgrade for your Road King. However, if you are new to motorcycle engine modifications or have a limited budget, it may be worth considering other options before investing in the Wiseco piston kit. Ultimately, the decision to purchase the Wiseco pistons depends on your individual needs, goals, and resources.

Details:

Domed - Standard Bore 3.875in. Piston Kit 95ci. Wiseco Piston Kit for 2000 - 2006 Harley Davidson FLHRI Road King - Engine yv: Status: In Stock.

part #: mn4yhd price

• $222.99

specifications pistondon:

• for models: Road, King
• for makes: Harley, Davidson
• for years: 2000-2006
• brand: Wiseco
• mpn: Mn/4yhd
• type: Piston Kits
• compatible year: 2006 2005 2004 2003 2002 2001 2000
• compatible make: Harley Davidson
• compatible model: Flhri Road King
• bundle description: 1 Pc Genuine Wiseco Piston Kits
• core charge: Free No Core Charge
• fitment type: Direct Replacement

returns pistondon:

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

payments pistondon:

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

shipping pistondon:

• cost: $0.00
• service: Standard
• type: Fixed
• class: Standard
• transit: 3-7 Days

general pistondon:

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

seller pistondon:

• rating: 98.9%
• # reviews: 19002
• city: Multiple warehouses

offer pistondon:

• availability: In Stock
• sold: 0
• started: March 17, 2026
• options: Ship-to-home
• quantity: 1

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