KING ENGINE BEARINGS MB5398SI001 Crankshaft Lsx 611500599712 L20 LS1/2/4/6 .020

( Brand: King Engine Bearings ), ( Number In Pack: 10 ), ( Type: Crankshaft Main Bearing ), ( Manufacturer Part Number: MB5398SI001 ), ( Items Included: Engine Bearing ), ( Universal Fitment: No ), ( Size: .001 ), ( Fitment Type: Performance/custom ), ( Notes: Compatible With Chevrolet Lsx L20 Ls1/2/4/6 .020 ), ( UPC: 611500599712 )

Review KING ENGINE BEARINGS Crankshaft Main Chevrolet Lsx L20 Ls1/2/4/6 .020 fits LS1

The MB5398SI001 crankshaft engine bearing kit from King Engine Bearings is specifically designed for Chevrolet LSX engines, including LS1, LS2, LS4, and LS6 models from the year 2002 and onwards. This kit is an excellent choice for high-performance applications, race cars, or any situation where superior engine bearing performance is required.

King Engine Bearings are renowned for their precision manufacturing and innovative design, and this MB5398SI001 kit is no exception. Each bearing in this kit is made from high-quality, heat-treated steel and overlaid with a layer of premium bearing material. The result is a bearing that offers superior strength, durability, and resistance to both thermal and mechanical shock.

The MB5398SI001 kit includes eight bearings in total: two main bearings, two rod bearings, and four counterweight bearings. Each bearing is designed to fit perfectly in its respective location in the LSX engine, ensuring optimal engine performance and efficiency.

The main bearings in this kit are designed with a chamfered leading edge, which helps to reduce friction and wear during engine start-up and shut-down. The rod bearings feature a full-circumference fillet design, which helps to distribute oil evenly around the bearing surface, reducing friction and wear.

The counterweight bearings in this kit are engineered with a special design that allows them to accommodate the heavy counterweights used in high-performance LSX engines. These bearings are also designed to minimize oil leakage, ensuring that your engine stays well-lubricated during operation.

This King Engine Bearings MB5398SI001 kit is also compatible with popular aftermarket connecting rods, including those from Manley, CP-Carrillo, and Callies. This makes it a versatile choice for builders who are using aftermarket rods in their LSX engine build.

In summary, the MB5398SI001 crankshaft engine bearing kit from King Engine Bearings is an excellent choice for anyone looking to build a high-performance LSX engine or upgrade their existing engine with superior bearing performance. With its precision manufacturing, innovative design, and compatibility with popular aftermarket connecting rods, this kit is sure to provide superior strength, durability, and performance for your LSX engine.

Buying the King Engine Bearings MB5398SI001 crankshaft bearing kit for Chevrolet LSX L20 LS1/2/4/6 engines comes with several pros and cons that are essential to consider before making a purchase.

1. High-Quality Material: King Engine Bearings are known for their top-tier materials and manufacturing processes. This bearing kit is no exception, made from premium materials for enhanced durability and performance.

2. Reduced Engine Noise: Upgrading to higher-quality bearings can lead to a quieter engine operation due to reduced friction and vibration.

3. Improved Engine Performance: The precision-engineered design of these bearings can contribute to improved engine performance by reducing power loss and providing better support to the crankshaft.

4. Wide Compatibility: This bearing kit is compatible with various Chevrolet LS engines (L20, LS1, LS2, LS4, and LS6), making it a versatile choice for engine builders and enthusiasts.

1. Higher Cost: King Engine Bearings are known for their premium quality, which often translates to a higher price tag compared to OEM or aftermarket alternatives.

2. Potential Clearance Issues: Depending on the specific engine configuration, these bearings may require additional clearance modifications to ensure proper installation and function.

3. Installation Complexity: Installing these bearings may require specialized tools and expertise to ensure proper alignment and fitment, which could add to the overall cost and time investment.

In conclusion, the decision to buy the King Engine Bearings MB5398SI001 crankshaft bearing kit for Chevrolet LS engines depends on your priorities and budget. If you're looking for top-tier performance and durability, this bearing kit is an excellent choice. However, if cost is a significant concern, you might consider OEM or aftermarket alternatives.

My recommendation is to carefully consider your engine build goals, budget, and available resources before making a decision. If you're willing to invest in a high-performance bearing kit and have the necessary expertise and resources for installation, then the King Engine Bearings MB5398SI001 is an excellent choice. Otherwise, you may want to explore alternative options that better fit your needs and budget.

Details:

Regardless if its race, track, or stock replacements they have proven get the job done. For listings with free shipping, it only applies within the continental 48 states. Compatible with: CHEVROLET LS series L20 LS1/2/4/6 Housing Bore .020 Number of pairs in a set: 5Bearing size: .001King Bearings have been proven time and again to be the best on market.

part #: mb5398si001 prices

• $98.99-$125.55

specifications engibearing:

• for makes: Chevrolet
• brand: King Engine Bearings
• number in pack: 10
• type: Crankshaft Main Bearing
• manufacturer part number: MB5398SI001
• items included: Engine Bearing
• universal fitment: No
• size: .001
• fitment type: Performance/custom
• notes: Compatible With Chevrolet Lsx L20 Ls1/2/4/6 .020
• upc: 611500599712

returns engibearing:

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

payments engibearing:

• other
• credit card: Diners-club
• wallet: Paypal

general engibearing:

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

shipping engibearing:

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

offer engibearing:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: May 16, 2026

seller engibearing:

• rating: 99.7%
• city: Wrightstown, Wisconsin
• # reviews: 74873

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