SEALED POWER 402P40 Pro Big Block Pistons .040 396-402

( Brand: Sealed Power ), ( Manufacturer Part Number: 402P40 ), ( Part Type: Block Piston )

Review SEALED POWER Eed pro 402p .040 396-402 Big Block Chevy Pistons

The Speed-Pro 402P 040 396-402 Big Block Chevy Pistons are an exceptional upgrade for your engine, designed to deliver enhanced power and performance. These pistons are engineered specifically for Big Block Chevy engines, with a displacement of 402 cubic inches.

The 402P40 power pistons are made from forged 2618-T6 aluminum alloy, ensuring they are incredibly strong and durable. The piston skirts are honed to a mirror finish, reducing friction and allowing for smooth cylinder wall engagement. The piston tops are fully machined, ensuring perfect squish and ring gap for optimal combustion efficiency.

The piston design includes a high- Volume dome top that provides increased power and torque, while the low-tension rings offer superior ring grip and sealing, reducing the likelihood of blowby and piston ring failure. The wrist pins are made from high-strength steel and are chrome molybdenum coated for increased durability and wear resistance.

Each piston comes with a wrist pin retainers and a lightweight, high-performance piston pin. The piston rings are made from a high-quality nitride-treated steel and are designed to withstand the extreme pressures and temperatures of high-performance engines.

In summary, the Speed-Pro 402P 040 396-402 Big Block Chevy Pistons are a high-quality, high-performance upgrade for your engine. They are designed to deliver increased power and torque, while also providing improved durability and reliability. These pistons are the perfect choice for any Big Block Chevy engine looking to take its performance to the next level.

1. High-quality material: These pistons are made of forged aluminum alloy, which is known for its strength and durability. This material can withstand high compression ratios and temperatures, making it ideal for high-performance applications.

2. Improved engine performance: The 402P pistons are designed to provide better combustion efficiency, resulting in improved engine power and torque. They also have a higher compression ratio, which can improve the engine's fuel economy.

3. Enhanced reliability: The forged aluminum alloy material used in these pistons is less likely to fail under high-stress conditions, making them more reliable than cast pistons.

1. High cost: Forged pistons are more expensive than cast pistons because of the more complex manufacturing process. This can make them a more expensive option for some buyers.

2. Requires specific engine size and cylinder head: These pistons are designed for a specific engine size and cylinder head, so they may not be compatible with all Big Block Chevy engines.

3. May require other engine modifications: Installing these pistons may require other modifications to the engine, such as a higher compression ratio camshaft or a different intake manifold, to take full advantage of their performance benefits.

If you are looking for high-performance pistons for your Big Block Chevy engine, the 402P 040 396-402 pistons are a great option. They are made of high-quality material, provide improved engine performance, and are more reliable than cast pistons. However, they are also more expensive and may require other engine modifications to take full advantage of their benefits. Ultimately, whether these pistons are right for you depends on your specific engine needs and budget.

If you are willing to invest in high-performance pistons for your Big Block Chevy engine, the 402P 040 396-402 pistons are a worthwhile investment. They can provide significant performance gains and enhance the reliability of your engine. Just make sure to do your research and ensure that they are compatible with your specific engine size and cylinder head.

Details:

Speed-Pro 402p .040 396-402 Big Block Chevy Pistons. New set of pistons. Bore in.: 4.165 in. Bore mm: 105.791mm Stroke: 3.766 in. Engine Stroke Type: Stock Rod length : 6.135 in. Piston Style: Dome, with two valve reliefs Piston Material: Cast aluminum Compression height in.: 1.732 in. Dome height in.: 0.125 in. Piston Head Volume cc: 5.50cc Wrist Pin Style: Press-fit Wrist Pin Retainers Included: No Wrist Pin Included: Yes Pin Diameter in.: 0.989 in. Piston Ring Thickness: 5/64 in. X 3/16 in Set of 8. New condition.

part #: 402p40 prices

• $299.99-$590.27

specifications aviationpar:

• for makes: Chevy
• brand: Sealed Power
• mpn: 402p40
• part type: Block Piston

General aviationpar.com:

• Motors > Parts Accessories > Aviation Parts Accessories > Other
• in stock: Yes
• condition: New

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• Started: January 20, 2022, 12:35 am

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2. rating: 100.0%

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