KING ENGINE BEARINGS MB4034SI0.25 Bearing 611500405013

( Brand: King Engine Bearings ), ( Part Type: Bearing ), ( Seller: Summit Racing Equipment ), ( UPC: 611500405013 ), ( Manufacturer Part Number: MB4034SI0.25 )

Review KING ENGINE BEARINGS Si series Main Bearing Mb4034si025 fits SI

Introducing the MB4034SI0.25 SI-Series bearing from King Engine Bearings, a leading manufacturer known for their high-performance and durable engine components. This particular bearing is designed specifically for applications that require the utmost reliability and precision, making it an ideal choice for racing engines, high-performance engines, or any application where maximum power output is crucial.

The MB4034SI0.25 SI-Series bearing is part of King's line of Si-Series bearings, which are engineered with a unique, patented silicon nitride coating. This advanced coating provides superior film strength, enabling the bearing to support higher loads and temperatures compared to standard bearings. It also offers unparalleled friction reduction, resulting in smoother engine operation and improved engine efficiency.

This particular bearing is a 0.25-inch (6.35mm) thick, single row, tapered roller bearing. It features a chrome steel outer race, a chrome molybdenum inner race, and a chrome molybdenum roller. These materials have been carefully selected for their strength, durability, and resistance to wear and corrosion. Additionally, the rollers are precision-machined to ensure they run true and maintain their shape under heavy loads.

The MB4034SI0.25 SI-Series bearing is designed to meet the demanding requirements of modern engines, offering superior load capacity, rigidity, and fatigue strength compared to standard bearings. It is manufactured to the highest standards, ensuring a precise fit and optimal performance.

Installation of the MB4034SI0.25 SI-Series bearing is straightforward, and it can be used as a direct replacement for many OEM bearings. It is recommended that the engine be disassembled and inspected prior to installation to ensure proper fitment and to identify any potential issues.

In summary, the MB4034SI0.25 SI-Series bearing from King Engine Bearings is a high-performance, durable engine component designed for applications where maximum power output, efficiency, and reliability are essential. Its advanced Si-Series coating provides superior film strength, friction reduction, and wear resistance, making it an ideal choice for racing engines, high-performance engines, or any application where the engine is subjected to extreme loads and temperatures.

The MB4034SI0.25 and MB4034SI025 engine bearings from King Engineering are designed for the SI series engines and are known for their high-performance capabilities. Here are some pros and cons that may help you make an informed decision about purchasing these bearings:

1. Enhanced Performance: These bearings are specifically engineered for high-performance applications and can handle increased RPMs and power outputs.

2. Improved Durability: King Engineering uses a proprietary casting process and high-quality steel alloys to ensure that these bearings are more durable than OEM bearings.

3. Reduced Engine Noise: These bearings are designed to minimize engine noise and vibration, leading to a smoother and quieter running engine.

4. Precision Manufacturing: King Engineering uses state-of-the-art CNC machining equipment and strict quality control measures to ensure that each bearing is manufactured to the highest standards.

5. Wide Application: These bearings can be used in a wide range of engine applications and are suitable for both street and racing use.

1. Cost: Compared to OEM bearings, King Engineering bearings can be more expensive. However, the performance and durability benefits may outweigh the additional cost for some users.

2. Installation: Installing these bearings may require additional skills and tools compared to OEM bearings, as they are designed to fit more snugly and require precise torque settings during installation.

3. Availability: These bearings may not be as readily available as OEM bearings, and may need to be ordered from specialized performance parts suppliers.

In conclusion, the MB4034SI0.25 and MB4034SI025 engine bearings from King Engineering offer significant performance and durability benefits compared to OEM bearings. However, they come with a higher cost, may require more precise installation, and may not be as readily available. Ultimately, the decision to purchase these bearings depends on your engine application, budget, and performance goals. If you are looking for high-performance bearings and are willing to invest in them, then these bearings may be a good choice for you. On the other hand, if you are on a tight budget or do not require the additional performance benefits, then OEM bearings may be a more cost-effective option.

Details:

Please hover mouse to image. Undersized, Ford, 3.8, 3.9, 4.2L, Set of 4. King Engine Bearings MB4034SI025 Main Bearings, SI-Series, Silicon Aluminum, 0.25mm.

part #: mb4034si025 prices

• $40.99-$57.00

specifications engibearing:

• for models: Si
• brand: King Engine Bearings
• part type: Bearing
• seller: Summit Racing Equipment
• upc: 611500405013
• manufacturer part number: MB4034SI0.25

shipping engibearing:

• service: Economy
• class: Economy
• transit: 2-4 Days
• type: Fixed
• cost: $13.99

offer engibearing:

• sold: 0
• started: August 25, 2025
• options: Ship-to-home
• availability: In Stock

payments engibearing:

• other
• wallet: Paypal
• credit card: Discover

general engibearing:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings

seller engibearing:

• # reviews: 1128886
• city: Tallmadge, Ohio
• rating: 98.7%

returns engibearing:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

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