WISECO 4994PS Top Piston Kit Flat Standard Compression 95CI. 3.8725IN 9/1

( Brand: Wiseco ), ( Manufacturer Part Number: 4994PS ), ( Part Type: Piston Compression ), ( Make: Harley )

Review WISECO Piston Kit 95ci. Flat Top Standard Bore 3.8725in 9/1 Compression

The WiseCo 4994PS Piston Kit is an excellent choice for those seeking top-tier performance parts for their 1995-96 Ford 5.0L Coyote engine. This piston kit, specifically designed for standard 3.8725-inch compression engines, is a flat top piston design, ensuring optimal power and efficiency.

Each piston in this kit is meticulously crafted using forged 2618-T6 aluminum alloy. This material provides superior strength, durability, and resistance to detonation, making it an ideal choice for high-performance applications. Furthermore, the pistons feature a dish-shaped design that enhances combustion efficiency and power output.

The piston kit comes with matching, high-performance wrist pins. These wrist pins are made from chrome molybdenum steel and are designed to securely hold the piston in place during engine operation. The wrist pins also feature a phosphated finish, which helps prevent galling and ensures a smooth piston-to-connecting rod interface.

Another noteworthy feature of the WiseCo 4994PS Piston Kit is the use of low-friction, hypereutectic piston rings. These rings are designed to minimize friction between the piston and the cylinder wall, resulting in reduced engine wear and improved performance. Additionally, the rings provide excellent sealing, ensuring optimal compression and preventing oil leakage.

The piston kit also includes new piston pin bore bushings, which help maintain the integrity of the engine block and prevent unwanted vibrations. These bushings are precision-machined for a perfect fit and are made from high-strength, heat-resistant material.

In summary, the WiseCo 4994PS Piston Kit is an essential upgrade for anyone looking to maximize the performance of their 1995-96 Ford 5.0L Coyote engine. With its high-quality, forged aluminum pistons, durable wrist pins, low-friction rings, and precision-machined components, this piston kit delivers both power and reliability, making it an excellent investment for any performance enthusiast.

Wiseco 4994PS Piston Kit for 95ci Flat Top Standard Engine: A Detailed Analysis

The Wiseco 4994PS piston kit is a popular choice among engine builders and racers for the 95ci (383 cubic inch) flat top standard engine. This piston kit is known for its high-performance features. In this analysis, we will discuss the pros and cons of this piston kit to help you make an informed decision.

1. High-Performance Design: The Wiseco 4994PS piston kit is designed for high-performance applications. It offers increased power output, improved combustion efficiency, and enhanced durability.

2. Lightweight Construction: The pistons in this kit are made from forged aluminum alloy, which makes them lighter than their cast iron counterparts. Lighter pistons help to reduce reciprocating mass, leading to better engine response and increased power.

3. Enhanced Cooling: The pistons feature a unique oil cooled skirt design, which helps to keep the pistons cooler during high-performance applications. Cooler pistons lead to better engine performance and longer engine life.

4. Improved Ring Performance: The pistons come with Wiseco's proprietary ring pack design, which includes a nitrided ring set and a chrome molybdenum top ring. This ring pack design offers superior ring sealing and longer ring life.

1. Cost: The Wiseco 4994PS piston kit is more expensive than OEM pistons. This higher cost may be a deterrent for some engine builders or racers on a budget.

2. Installation Complexity: Installing aftermarket pistons like the Wiseco 4994PS kit can be a complex process. It requires specialized tools and a high level of mechanical expertise.

3. Potential Clearance Issues: Depending on the specific engine and application, there may be clearance issues with aftermarket pistons like the Wiseco 4994PS kit. These clearance issues can lead to engine damage if not addressed properly.

The Wiseco 4994PS piston kit offers numerous benefits for high-performance applications, including increased power output, improved combustion efficiency, and enhanced durability. However, it comes with a higher cost and installation complexity compared to OEM pistons. If you are building or racing an engine where high performance is a priority, the Wiseco 4994PS piston kit is an excellent choice. However, if you are on a tight budget or are not comfortable with the installation process, you may want to consider other options.

If you are building or racing a 95ci flat top standard engine where high performance is a priority, the Wiseco 4994PS piston kit is an excellent choice. Its lightweight construction, unique oil cooled skirt design, and proprietary ring pack design offer numerous benefits for high-performance applications. However, be prepared for the higher cost and installation complexity compared to OEM pistons. If you are unsure about the installation process or have a tight budget, you may want to consider other options. Always consult with a professional engine builder or mechanic before making a decision.

Details:

Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation. All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Any damage claims may be exchanged for the identical item only. Note: Cylinder boring required.

Skirt Coating: Molly. Displacement: 1546cc. Bore - Standard: 3.750in. Sold as: Each.

Dome Type: Flat Top. Bore - Actual: 3.875in. Note: Ignition module change not Re. Compression: 9:1 Compression, Sizing: Standard Bore, Bore: 3.8725in.

part #: 4994ps prices

• $221.99-$644.99

specifications pistondon:

• brand: Wiseco
• mpn: 4994ps
• part type: Piston Compression
• make: Harley

seller pistondon:

• city: Loudon, Tennessee
• # reviews: 632430
• rating: 99.6%

offer pistondon:

• sold: 0
• options: Ship-to-home
• started: March 30, 2026
• quantity: 1
• availability: In Stock

returns pistondon:

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

shipping pistondon:

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

payments pistondon:

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

general pistondon:

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

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