Best Main Bearings: Top Picks for Durability & Performance

Looking for the best main bearings?
Discover premium options from trusted brands like Clevite, King, and Sealed Power—engineered for a perfect fit, lasting durability, and high-performance reliability.

Main bearings keep your engine smooth and strong. The best ones fit perfectly, last long, and handle power. LS engine fans trust premium bearings for 4.8L to 6.2L builds.

Top brands like Clevite, King, and Sealed Power deliver unmatched quality. Whether stock or high-performance, these bearings ensure reliability. Ready to find your engine’s perfect match? The right choice is just a click away.

List of Top 10 Main Bearings

Title	Best For	Price
Michigan Motorsports LS Main Crank Bearings – Standard Size SI-Series – Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines – LS1 LS2 LQ4 LQ9 LS3 L92 L94 L76 L77 LY6 L96 – Stock & Performance Applications	This product is perfect for DIYers and professional mechanics working on 4.8L to 6.2L LS engines. Its durable tri-metal design and precision fit make it ideal for stock rebuilds or performance upgrades, ensuring smooth operation and long-term reliability in both daily drivers and high-powered builds.	View on Amazon (paid link)
Clevite 77 MS-2199A Engine Crankshaft Main Bearing Set	This bearing set is perfect for mechanics and car owners who need strong, long-lasting engine parts. It works best with nodular iron crankshafts and offers a precision fit for reliable performance.	View on Amazon (paid link)
King Engine Bearings MB5293SI Main Bearing Set	The King Engine Bearings MB5293SI Main Bearing Set is perfect for car enthusiasts and mechanics who need reliable, standard-sized bearings. It’s ideal for engine repairs or upgrades, offering quality and precision in a compact, lightweight package.	View on Amazon (paid link)
King Engine Bearings MB5013XP STDX Main Bearing	The King Engine Bearings MB5013XP STDX Main Bearing is perfect for car enthusiasts and mechanics who need reliable engine parts. It’s ideal for anyone working on engine repairs or upgrades.	View on Amazon (paid link)
DNJ MB1160 Main Bearings Set Standard for 2003-2022 Chrysler, Dodge, Jeep, Ram 1500, 1500 Classic, 2500 5.7L-6.4L V8 16V OHV 345cid	This DNJ Main Bearings Set is perfect for vehicle owners or mechanics repairing 2003-2022 Chrysler, Dodge, Jeep, and Ram trucks with 5.7L-6.4L V8 engines. It’s a direct-fit solution for 1500, 1500 Classic, and 2500 models, offering reliable performance from a trusted brand with 30+ years of experience.	View on Amazon (paid link)
Sealed Power 4663M Main Bearing Set	This product is perfect for mechanics and vehicle owners working on older engines that need fatigue resistance, conformability, and reliable performance. It’s ideal for those using a 350 crank who want OEM specifications without rebalancing.	View on Amazon (paid link)
King Engine Bearings MB5382XPG Crankshaft Main Bearing Set	The King Engine Bearings MB5382XPG Crankshaft Main Bearing Set is perfect for car owners who need reliable engine parts. It’s vehicle-specific, lightweight, and easy to handle.	View on Amazon (paid link)
STD Main & Rod Bearing Set Replacement for Chevy LS 4.8 5.3 5.7 6.0 6.2L Engine 1997-2013 LS1 LS2 LS3 V8, Standard Size Crankshaft Connecting Rod Bearing kit MS2199P MB5293SI CB663P CR807SI	This product is perfect for Chevy LS engine builders and repair shops needing durable, precise bearings. It suits 4.8L–6.2L LS-series V8 engines from 1997–2013, offering standard clearance and strong metal construction to reduce wear.	View on Amazon (paid link)
King Engine Bearings – MB 557SI MB557SI Main Bearing	King Engine Bearings – MB 557SI is perfect for car owners who need reliable, vehicle-specific parts. It’s ideal for those looking for quality and precision.	View on Amazon (paid link)
King Rod and Main Bearing set for LS engines including 4.8L, 5.3L, 6.0L V8	This product is perfect for mechanics and DIYers upgrading or repairing LS engines like 4.8L, 5.3L, or 6.0L V8s. It offers standard or oversized bearings, trusted King reliability, and backup options like Clevite or ACL if needed. Message us first to confirm stock or customize your order.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Main Bearings handpicked for performance and durability. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best value for your engine. Whether you need precision fit, longevity, or affordability, this guide has you covered—read on to find your perfect match!

1. Michigan Motorsports LS Main Crank Bearings – Standard Size SI-Series – Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines – LS1 LS2 LQ4 LQ9 LS3 L92 L94 L76 L77 LY6 L96 – Stock & Performance Applications

Michigan Motorsports LS Main Crank Bearings - Standard Size SI-Series - Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines - LS1 LS2 LQ4 LQ9 LS3 L92 L94 L76 L77 LY6 L96 - Stock & Performance Applications

Premium LS Main Crank Bearings offer precision fitment and long-lasting durability. They work for stock rebuilds or high-performance LS engines. These bearings ensure smooth operation and reduce engine wear.

Standard Size matches factory specs for easy replacement. They maintain proper oil clearance to lower friction and heat. This helps engines run efficiently and last longer.

These bearings fit Gen 3 & Gen 4 LS engines, including 4.8L to 6.2L models. They handle naturally aspirated, turbocharged, or supercharged setups reliably.

Pros	Cons
Precision fit for smooth engine operation in stock & performance builds. Direct factory replacement, maintains oil clearance, reduces wear. High-strength material for increased load capacity and longevity. Fits wide range of LS engines, ensures reliable performance.	Potential fitment issues with worn or modified engine blocks. Not ideal for extreme high-performance builds pushing limits. Higher price tag compared to generic bearing options.

Perfect For:

This product is perfect for DIYers and professional mechanics working on 4.8L to 6.2L LS engines. Its durable tri-metal design and precision fit make it ideal for stock rebuilds or performance upgrades, ensuring smooth operation and long-term reliability in both daily drivers and high-powered builds.

Ready to Purchase?

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2. Clevite 77 MS-2199A Engine Crankshaft Main Bearing Set

Clevite 77 MS-2199A is a top-quality engine crankshaft main bearing set. It’s designed to replace old bearings with the best materials available.

The harder aluminium alloy ensures durability and strength. It works perfectly with nodular iron crankshafts. Every bearing is made with precision to meet or exceed original standards.

Pros	Cons
Top-quality aluminum ensures long-lasting durability Harder alloy boosts wear resistance and strength Ideal for nodular iron crankshafts improves reliability 100% bored IDs ensure precise fit and smooth operation Meets OE standards for trusted performance	Limited compatibility with non-nodular iron crankshafts. May not suit high-performance engines due to aluminum limits. Higher cost than standard replacement bearings.

Perfect For:

This bearing set is perfect for mechanics and car owners who need strong, long-lasting engine parts. It works best with nodular iron crankshafts and offers a precision fit for reliable performance.

Ready to Purchase?

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3. King Engine Bearings MB5293SI Main Bearing Set

The King Engine Bearings MB5293SI Main Bearing Set fits engines with a STD size. It ensures smooth performance and durability for your vehicle’s engine.

This set comes in a compact package (18.288 H x 4.318 L x 9.144 W cm) and weighs just 0.454 kg. The small size makes it easy to handle and store. The China-made design meets strict quality standards.

Reliable for daily use, these bearings are built to last. Their precise fit reduces engine wear. China-made strength ensures long-term trust in your machine’s power.

Pros	Cons
Standard size fits most engines, ensuring easy installation. Lightweight package (0.454 kg) for convenient handling. Compact dimensions save storage space in your garage. Made in China, offering affordable quality for your vehicle.	Made in China may raise quality concerns for some buyers Lightweight (0.454 kg) might suggest less durability Standard size may not fit all engine models

Perfect For:

The King Engine Bearings MB5293SI Main Bearing Set is perfect for car enthusiasts and mechanics who need reliable, standard-sized bearings. It’s ideal for engine repairs or upgrades, offering quality and precision in a compact, lightweight package.

Ready to Purchase?

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4. King Engine Bearings MB5013XP STDX Main Bearing

King Engine Bearings MB5013XP STDX Main Bearing is built for precision and durability. This part ensures smooth engine performance with its high-quality design.

Compact dimensions (11.51 L x 2.15 H x 4.29 W inches) save space. Lightweight at just 1.25 pounds. Made in Israel for trusted reliability.

Pros	Cons
Lightweight at 1.25 pounds for easy handling. Compact size fits tight engine spaces. Durable build ensures long-term reliability. Exact fit for specific engine models. High-quality from Israel meets strict standards.	Bulky packaging takes up unnecessary space. Heavier weight may complicate handling. Made in Israel could mean higher shipping costs.

Perfect For:

The King Engine Bearings MB5013XP STDX Main Bearing is perfect for car enthusiasts and mechanics who need reliable engine parts. It’s ideal for anyone working on engine repairs or upgrades.

Ready to Purchase?

View Price on Amazon (paid link)

5. DNJ MB1160 Main Bearings Set Standard for 2003-2022 Chrysler, Dodge, Jeep, Ram 1500, 1500 Classic, 2500 5.7L-6.4L V8 16V OHV 345cid

DNJ MB1160 Main Bearings Set is brand new and standard size. It fits 2003-2016 Chrysler, Dodge, Jeep, and Ram models. These bearings work with 5.7L-6.4L V8 OHV engines.

This set services a complete engine. It’s perfect for naturally aspirated engines. DNJ Engine Components is a trusted provider of quality parts.

We chose DNJ for their 30+ years of experience. Their track record ensures long-term customer loyalty.

Pros	Cons
Brand New DNJ Main Bearings for Reliable Performance Fits 03-16 Chrysler, Dodge, Jeep, Ram 5.7L-6.4L V8 Engines Complete Engine Set – One Purchase Covers All Needs Standard Size Ensures Proper Fit and Function Trusted Brand with 30+ Years of Quality Experience	Limited to standard size engines only – no help for worn or modified. Not compatible with turbocharged or supercharged setups – restricted to naturally aspirated. Fitment confusion between 2016 and 2022 model years – unclear compatibility range.

Perfect For:

This DNJ Main Bearings Set is perfect for vehicle owners or mechanics repairing 2003-2022 Chrysler, Dodge, Jeep, and Ram trucks with 5.7L-6.4L V8 engines. It’s a direct-fit solution for 1500, 1500 Classic, and 2500 models, offering reliable performance from a trusted brand with 30+ years of experience.

Ready to Purchase?

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6. Sealed Power 4663M Main Bearing Set

The Sealed Power 4663M Main Bearing Set is a reliable choice for your engine. It features a steel-backed bronze alloy lining with an overplate, ensuring durability. This set is perfect for older applications.

With exacting tolerances, it meets or exceeds OEM specifications. The proprietary bearing materials provide exceptional load capacity and fatigue resistance.

This bearing set is designed for optimal performance. It offers embed-ability, conformability, and anti-seizure characteristics, making it a top choice for engine builders.

Pros	Cons
Steel-backed bronze alloy ensures fatigue resistance and strength for older engines. Exact tolerances and OEM-spec compliance guarantee reliable, precision-driven performance. Bi-metal/tri-metal design boosts load capacity and anti-seizure protection. No engine rebalancing needed with 350 crank for easier, faster installation. Embed-ability and conformability reduce wear in high-stress applications.	Limited compatibility with non-350 crank engines. Requires specific ring sets (E-356K series) for use. Precision installation needed due to tight tolerances.

Pros

Cons

Steel-backed bronze alloy ensures fatigue resistance and strength for older engines.
Exact tolerances and OEM-spec compliance guarantee reliable, precision-driven performance.
Bi-metal/tri-metal design boosts load capacity and anti-seizure protection.
No engine rebalancing needed with 350 crank for easier, faster installation.
Embed-ability and conformability reduce wear in high-stress applications.

Limited compatibility with non-350 crank engines.
Requires specific ring sets (E-356K series) for use.
Precision installation needed due to tight tolerances.

Perfect For:

This product is perfect for mechanics and vehicle owners working on older engines that need fatigue resistance, conformability, and reliable performance. It’s ideal for those using a 350 crank who want OEM specifications without rebalancing.

Ready to Purchase?

View Price on Amazon (paid link)

7. King Engine Bearings MB5382XPG Crankshaft Main Bearing Set

The King Engine Bearings MB5382XPG is a crankshaft main bearing set built for precise fit and durability. It is made to match specific vehicle models, ensuring reliable performance. The package is compact, measuring 5.62 x 1.92 x 3.48 inches, and weighs just 0.85 pounds.

This bearing set is engineered for smooth engine operation and long-term use. It comes from Israel, known for quality manufacturing standards. The lightweight design makes it easy to handle and install.

Vehicle-specific fit ensures optimal engine function. The compact size and lightweight build simplify storage and transport.

Pros	Cons
Vehicle-specific fit ensures perfect match for compatible engines. Lightweight design (0.85 lbs) simplifies handling and storage. Compact size (5.62″ L x 3.48″ W) saves space. Made in Israel reflects reliable quality and craftsmanship.	Not universal, fits only specific vehicles. Lightweight package, might feel less substantial. Imported from Israel, longer shipping times possible.

Perfect For:

The King Engine Bearings MB5382XPG Crankshaft Main Bearing Set is perfect for car owners who need reliable engine parts. It’s vehicle-specific, lightweight, and easy to handle.

Ready to Purchase?

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8. STD Main & Rod Bearing Set Replacement for Chevy LS 4.8 5.3 5.7 6.0 6.2L Engine 1997-2013 LS1 LS2 LS3 V8, Standard Size Crankshaft Connecting Rod Bearing kit MS2199P MB5293SI CB663P CR807SI

STD Main & Rod Bearing Set Replacement for Chevy LS 4.8 5.3 5.7 6.0 6.2L Engine 1997-2013 LS1 LS2 LS3 V8, Standard Size Crankshaft Connecting Rod Bearing kit MS2199P MB5293SI CB663P CR807SI

This STD Main & Rod Bearing Set replaces worn bearings in Chevy LS engines. It fits 4.8L to 6.2L V8 models from 1997-2013, including LS1, LS2, and LS3 engines.

Rod and main bearings prevent engine damage by reducing friction. They ensure smooth crankshaft movement. Made with high-strength metal, they last longer and fit precisely.

ARMKER offers trusted parts and customer support for easy engine repairs. This kit keeps your Chevy running reliably with a factory-like fit.

Pros	Cons
Fits multiple GM LS engines (4.8L to 6.2L) for broad compatibility. Standard size ensures precise fit and proper crankshaft clearance. High-strength metal construction reduces wear for long-lasting performance. Prevents engine damage by avoiding metal-to-metal contact. Easy replacement with expert support from experienced manufacturer ARMKER.	Standard size only, not for modified engines No additional hardware (seals, bolts) included Potential fit issues in excessively worn engines

Perfect For:

This product is perfect for Chevy LS engine builders and repair shops needing durable, precise bearings. It suits 4.8L–6.2L LS-series V8 engines from 1997–2013, offering standard clearance and strong metal construction to reduce wear.

Ready to Purchase?

View Price on Amazon (paid link)

9. King Engine Bearings – MB 557SI MB557SI Main Bearing

King Engine Bearings – MB 557SI is made in Israel. It fits vehicles exactly, no adjustments needed. The package is light and compact for easy handling.

These bearings are built for long-lasting performance. They ensure smooth engine operation in compatible vehicles.

The 13.2 x 4.6 x 9.1 cm package weighs just 0.5 kg. This makes it simple to store and transport.

Pros	Cons
Perfect fit for your vehicle, ensuring smooth engine performance. Lightweight and compact, easy to handle and install. Made in Israel, a trusted and reliable source for quality. Durable and long-lasting, providing peace of mind for your engine.	Not universal, fits only specific vehicles. Heavy package, weighs nearly half a kilogram. Large size, takes up more storage space.

Perfect For:

King Engine Bearings – MB 557SI is perfect for car owners who need reliable, vehicle-specific parts. It’s ideal for those looking for quality and precision.

Ready to Purchase?

View Price on Amazon (paid link)

10. King Rod and Main Bearing set for LS engines including 4.8L, 5.3L, 6.0L V8

This King Rod and Main Bearing Set fits LS engines like 4.8L, 5.3L, and 6.0L V8s. Standard size bearings come by default. Need oversized bearings? Send a message right away.

If King bearings are unavailable, Clevite A Series or ACL Brand A Series will be sent instead. Check stock before buying by sending a message.

These bearings ensure smooth engine performance. Quality brands deliver durability and reliability.

Pros	Cons
Standard size bearings included for hassle-free installation. Oversized bearings available with quick message request. Reliable substitutes (Clevite/ACL) if King is unavailable. Check stock status via message anytime for accuracy. Works with 4.8L, 5.3L, 6.0L LS V8 engines seamlessly.	Standard size only – no oversizes unless requested. Subpar substitutes used if King brand is unavailable. Stock checks required to avoid unexpected delays.

Perfect For:

This product is perfect for mechanics and DIYers upgrading or repairing LS engines like 4.8L, 5.3L, or 6.0L V8s. It offers standard or oversized bearings, trusted King reliability, and backup options like Clevite or ACL if needed. Message us first to confirm stock or customize your order.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Main bearings keep your engine smooth and strong. They reduce wear and handle power for long-lasting performance. Choosing the right ones ensures your engine runs reliably.

Factors to Consider When Buying Main Bearings:
– Engine Compatibility: Check if the bearings fit your engine’s make, model, and size. Mismatched bearings can cause damage.
– Material Quality: Look for durable materials like steel-backed bronze or hardened alloys. They last longer and handle high stress.
– Size and Fit: Choose standard size for easy replacement or oversized for worn engines. Proper fit ensures low friction and efficient oil flow.
– Performance Needs: Decide if you need bearings for stock, high-performance, or turbocharged engines. Each type handles power levels differently.
– Brand Reputation: Trust top brands like Clevite, King, and Sealed Power. They offer proven quality and reliability.
– Price and Value: Compare prices but prioritize longevity and performance. Cheaper options may cost more in repairs later.
– Ease of Installation: Look for bearings with compact packaging and lightweight design. They’re easier to handle and install.
– Customer Reviews: Read reviews to see how bearings perform in real-world use. Feedback highlights strengths and weaknesses.

With these factors in mind, you’ll find the perfect match for your engine. Your vehicle will thank you with smooth, reliable power.