KING ENGINE BEARINGS MB5840SI0.25 Crankshaft Bearing Set

( Brand: King Engine Bearings ), ( Type: Engine Crankshaft Main Bearing Set ), ( Manufacturer Part Number: MB5840SI0.25 ), ( Country Of Origin: Israel ), ( Material: Bimetal )

Review KING ENGINE BEARINGS Crankshaft Main Bearing Set

Introducing the MB5840SI0.25 Crankshaft Bearing Set from King Engine Bearings, an essential upgrade for your engine's durability and performance. These bearings are meticulously engineered to provide superior strength and reliability, making them a popular choice among engine builders and enthusiasts.

The set includes five crankshaft bearings: two end bearings and three journal bearings. Each bearing is precision-machined from high-quality materials, such as steel and bronze, to ensure perfect fitment and minimal clearance. The bronze bearings feature a unique design with a full-radius fillet and a heavy chamfer at the oil groove, which enhances oil flow and reduces friction.

King Engine Bearings MB5840SI0.25 Crankshaft Bearing Set is designed to fit specific engine models and applications, including those with Siamese cylinder heads. The set is also compatible with various connecting rod types, making it a versatile option for a wide range of engines.

These bearings are manufactured using King's proprietary micro-alloy steel, which provides increased strength and durability compared to traditional materials. The bearings also feature a precise bore size and a tight tolerance, ensuring a perfect fit and reducing the risk of engine damage or failure.

The MB5840SI0.25 Crankshaft Bearing Set is also designed to be easy to install, with each bearing featuring a clear identification marking to ensure proper alignment during installation. The bearings come packaged in protective paper sleeves to prevent damage during shipping and handling.

In summary, the King Engine Bearings MB5840SI0.25 Crankshaft Bearing Set is a high-performance, reliable, and durable option for upgrading your engine's bearings. With their precise fitment, increased strength, and enhanced oil flow, these bearings are sure to provide improved engine performance and longevity.

Pros and Cons of Buying King Engine Bearings MB5840SI0.25 Crankshaft Bearing Set

The King Engine Bearings MB5840SI0.25 crankshaft bearing set is a popular choice among engine builders and enthusiasts due to its high-performance design. However, like any other product, it comes with its advantages and disadvantages. In this article, we will discuss both the pros and cons of buying this crankshaft bearing set.

1. Superior Quality: King Engine Bearings are known for their superior quality. The MB5840SI0.25 set is made of micro-alloy steel, which provides excellent strength and durability.

2. Low Friction: These bearings have a low-friction design, which reduces engine noise and improves performance.

3. Precision Manufacturing: Each bearing is manufactured to precise specifications, ensuring a perfect fit and optimal performance.

4. Heat Resistance: The bearings have excellent heat resistance, making them suitable for high-performance applications.

5. Long Lasting: Due to their high-quality materials and precision manufacturing, these bearings are known to last longer than OEM bearings.

1. Cost: King Engine Bearings are more expensive than OEM bearings, making them a significant investment for some engine builders and enthusiasts.

2. Installation: Installing these bearings can be a complex process and may require specialized tools and knowledge.

3. Not Suitable for All Engines: These bearings are specifically designed for certain engines and may not be compatible with others.

The King Engine Bearings MB5840SI0.25 crankshaft bearing set is an excellent choice for those seeking high-performance and durability in their engine build. Its superior quality, low friction, precision manufacturing, heat resistance, and long-lasting nature make it a popular choice among engine builders and enthusiasts. However, its cost and complex installation process may be a deterrent for some. Ultimately, the decision to buy this bearing set depends on your specific needs, budget, and technical expertise.

If you are building a high-performance engine and are willing to invest in high-quality bearings, the King Engine Bearings MB5840SI0.25 crankshaft bearing set is an excellent choice. However, if you are on a tight budget or have limited technical expertise, you may want to consider OEM bearings or other more affordable aftermarket options. Regardless of your choice, always ensure that the bearings are compatible with your engine make and model.

Details:

M5840U-SI-0.25 Quantity: 5 EA. KIT Includes: M5659L-SI-0.25 Quantity: 5 EA. SPECIFICATIONS: Material:bimetal aluminum silicon base, Title:King Bearings, Undersized:0.25.

Placing an order outside the US is easy. Original packaging. King Engine Bearings Mb5840Si0.25 Crankshaft Main Bearing Set: MB5840SI0.25 MAIN BEARING SET For CHRYSLER/DODGE GEN III HEMI 5.7, 6.1, 6.4; bimetal aluminum silicon base. All accessories hardware.

part #: mb5840si025 prices

• $28.95-$38.89

specifications engibearing:

• brand: King Engine Bearings
• type: Engine Crankshaft Main Bearing Set
• manufacturer part number: MB5840SI0.25
• country of origin: Israel
• material: Bimetal

returns engibearing:

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

payments engibearing:

• other
• wallet: Paypal
• credit card: Discover

seller engibearing:

• city: Jasper, Indiana
• # reviews: 166247
• rating: 99.6%

general engibearing:

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

shipping engibearing:

• transit: 2-6 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00

offer engibearing:

• availability: In Stock
• options: Ship-to-home
• started: April 30, 2026
• sold: 0
• quantity: 10

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