Fits select 1982-2008 BMW 323, 325, 328, 525, 528, M3, Z3, and Z4 models.

King Engine Bearings AM-series main bearing sets provide reliable crankshaft support for engine rebuilds and maintenance. These bearings are engineered with a focus on fatigue strength and precision tolerances, ensuring proper oil clearance and long-term durability for high-revving BMW engines. This standard (STD) size set replaces worn OE main bearings to restore factory bottom-end geometry.

• Part Number: MB7039AM
• Size: STD (Standard)
• Engine Compatibility: BMW M51/M57 and related inline-six platforms
• Material: High-fatigue aluminum alloy construction
• Includes full set of main bearings for one engine rebuild

Fits select 1989-2024 Dodge and Ram 2500/3500 trucks, including D/W series chassis (5.9L / 6.7L Cummins Diesel).

The King Engine Bearings MB7009SI Main Bearing Set is a critical component for engine overhauls and bottom-end rebuilds on the Cummins 5.9L and 6.7L inline-six diesel engines. Engineered for precise clearances and consistent oil film thickness, these standard-size (STD) bearings are designed to replace worn factory components and restore original equipment tolerances. Whether you are performing a routine rebuild or a high-mileage refresh, these bearings provide the durability required for heavy-duty diesel applications.

• Manufacturer Part Number: MB7009SI
• Bearing Size: STD (Standard)
• Engine Compatibility: Cummins 5.9L / 6.7L I6 Diesel
• Application: Main Crankshaft Bearings
• Designed for high-load diesel environments

Fits select 2008-2018 Audi A3, A4, A5, A6, allroad, Q3, Q5, TT and Volkswagen Beetle, CC, Eos, GTI, Jetta, Passat, and Tiguan.

King Engine Bearings XP-Series crankshaft main bearings are engineered for high-performance and racing applications where increased load capacity and durability are critical. These Standard (STD) size bearings feature a high-strength tri-metal construction designed to withstand the rigors of high-RPM operation and elevated combustion pressures. Whether you are performing a routine rebuild or a high-horsepower engine build, these bearings provide the precise oil clearance and fatigue resistance necessary for long-term crankshaft stability.

• Manufacturer Part Number: MB639XP
• Series: XP-Series (Extreme Performance)
• Size: Standard (STD)
• Material: Tri-metal performance alloy
• Engine Fitment: Designed for CEPA, CEPB, and compatible VW/Audi 4-cylinder and 5-cylinder engine platforms
• Included: Full set of crankshaft main bearings

Fits select 1993-2016 Volvo 850, C30, C70, S40, S60, S70, S80, V50, V60, V70, XC60, XC70, and XC90 (2.4T / 2.5T).

This King Engine Bearings main bearing set is engineered for Volvo 520 and B5252 series 5-cylinder engines. Designed to provide the precise tolerances required for both standard rebuilds and high-performance applications, these bearings ensure consistent oil clearance and stable crankshaft support to prevent premature engine wear.

• Direct replacement for factory main bearings in Volvo 5-cylinder blocks
• Manufactured to high tolerances for reliable lubrication and bearing life
• Specifically designed for 520 / B5252 engine series compatibility
• Size: Standard (STD)
• Manufacturer Part Number: MB612AM

Fits select 2012-2024 McLaren models, including MP4-12C, 570S/GT, 600LT, 650S, 675LT, 720S, 765LT, GT, and P1 (M838T / M840T Engines).

Engineering a high-performance McLaren engine requires components capable of withstanding extreme cylinder pressures and high-RPM operation. The King Engine Bearings XP-Series main bearing set is designed specifically for the twin-turbocharged M838T and M840T V8 platforms. These bearings utilize King’s advanced tri-metal construction to provide the load-bearing capacity necessary for both stock rebuilds and high-boost performance applications.

As part of the XP-Series, these bearings (MPN MB5884XP) feature a hardened steel back and a high-strength substrate designed to maintain clearances and resist deformation under load. This set provides a precise fit for the main journals, ensuring reliable oil film thickness and consistent lubrication for the crankshaft.

• Manufacturer Part Number: MB5884XP
• Engine Compatibility: McLaren 3.8L M838T / 4.0L M840T V8
• Series: King Racing XP-Series
• Construction: High-load tri-metal for increased durability and heat resistance
• Included: Complete main bearing set for one engine

Fits select 2020-2026 Ford F-250, F-350, and E-350 Super Duty (7.3L).

Ensure your Ford Godzilla 7.3L engine maintains precise oil clearances and crank stability with this King Engine Bearings Main Bearing Set. Engineered to meet the high-torque demands of Super Duty workloads, these bearings provide a reliable replacement for worn OE components during a rebuild or refresh. Each bearing is manufactured to strict tolerances, ensuring consistent oil film thickness and reduced friction for long-term durability.

• Manufacturer Part Number: MB5881SI
• Engine Fitment: Ford 7.3L Godzilla V8
• Installation: Direct replacement for factory main bearings
• Performance: Designed for reliable oil pressure and crankshaft support

Complete Vehicle Fitment:

• 2020-2026 Ford F-250 Super Duty (7.3L)
• 2020-2026 Ford F-350 Super Duty (7.3L)
• 2021-2023 Ford E-350 Super Duty (7.3L)

Fits select 2015-2021 Audi A3, A4, Q3, TT Quattro, and Volkswagen Golf, Golf Alltrack, and Golf SportWagen models with the EA888 Gen III engine.

This King Engine Bearings main bearing set is a precision-engineered solution for the VW/Audi EA888 Gen III (DKTA) engine architecture. Built to maintain exacting tolerances, these bearings provide the critical oil clearances and crankshaft support necessary for the high-pressure environment of a modern turbocharged engine. Whether you are performing a routine rebuild or refreshing a high-mileage block, the MB5880SM set ensures reliable bottom-end performance by reducing friction and managing load across the main journals.

• Specifically designed for the 2.0T EA888 Gen III / DKTA engine platform
• Precision-manufactured to meet or exceed OE specifications for oil clearance and durability
• Engineered for consistent load distribution across the crankshaft main journals
• Manufacturer Part Number: MB5880SM

This King Engine Bearings SI-Series main bearing set is engineered for GM Vortec and Gen III/IV LS-series engines where the crankshaft journals have been machined .020" (0.50mm) undersize. Designed specifically for street and medium-duty performance applications, these bearings provide the precise clearances required after a crankshaft regrind.

The SI-Series features a sophisticated aluminum-silicon alloy construction. This material provides excellent embeddability, allowing the bearing to absorb small debris particles to protect the crankshaft surface, while maintaining high fatigue strength for long-term durability. These are a direct replacement for worn OE bearings in 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L blocks undergoing a bottom-end overhaul.

• Fits GM Gen III/IV LS and Vortec series engines
• Sized for .020" (0.50mm) undersize crankshaft journals
• SI-Series silicon-aluminum alloy construction for high fatigue resistance
• Provides superior embeddability and conformability
• Manufacturer Part Number: MB5877SI020

Fits 2000-2003 BMW M5 and Z8 (S62).

Engineered for high-performance applications, the King Engine Bearings XP-Series main bearing set (MB5872XP) is designed to withstand the extreme loads and high RPMs of the BMW S62 V8. These bearings utilize an advanced tri-metal construction to provide superior fatigue strength and load-carrying capacity compared to standard OE components. Whether rebuilding for the street or the track, this set ensures precision oil clearances and critical crankshaft support for the E39 M5 and E52 Z8.

• Manufacturer Part Number: MB5872XP
• Series: XP-Series High Performance Tri-Metal
• Compatibility: 2000-2003 BMW M5 Base and Z8 Base (S62 Engine)
• Designed for high-load, high-RPM environments
• Precision-manufactured for consistent oil clearance
• Complete main bearing set for a full engine service

Fits select 2007-2023 Lexus and Toyota models including the Tundra, Sequoia, GX460, LS460, and RC F (3UR-FE V8 engines).

The King Engine Bearings MB5863MC main bearing set is engineered to provide reliable crankshaft support and consistent oil clearance for high-displacement Toyota and Lexus V8 engines. Designed as a direct replacement for worn factory components, this set ensures the structural integrity of your bottom end during a rebuild or routine service. Each bearing is manufactured to precise tolerances to minimize friction and handle the thermal demands of both workhorse trucks and luxury performance sedans.

• Manufacturer Part Number: MB5863MC
• Direct replacement for OE main bearings
• Precision-engineered for the 3UR-FE V8 engine platform
• Consistent oil clearance for improved lubrication and engine longevity
• Designed for high-load applications and daily driving durability

Fits select 2005-2025 Chrysler 300, Dodge Challenger, Charger, Durango, and Magnum, Jeep Grand Cherokee and Wrangler, and Ram 1500, 2500, and 3500 models.

Ensure the bottom end of your high-output Hemi remains stable under extreme loads with the King Engine Bearings XP-Series Main Bearing Set. Engineered specifically for performance applications including SRT, Hellcat, Scat Pack, and heavy-duty Ram engines, these bearings are designed to withstand high cylinder pressures and increased RPMs. The tri-metal construction provides the load-carrying capacity and fatigue resistance necessary for forced induction and high-displacement V8 builds.

• Manufacturer Part Number: MB5840XPC
• Series: XP-Series Performance
• Material: Tri-metal construction for superior durability
• Applications: Fits Hemi V8 engines (5.7L, 6.1L, 6.2L, 6.4L)
• Precision tolerances for consistent oil clearance
• Hardened steel backing for improved bearing-to-housing support

Fits select 2005-2025 Chrysler 300, Dodge Challenger, Charger, Durango, Magnum, Jeep Grand Cherokee, Wrangler, and Ram 1500/2500/3500 (5.7L / 6.1L / 6.4L Hemi).

This King Engine Bearings crankshaft main bearing set is engineered to meet the high-load demands of the Gen 3 Hemi engine architecture. Designed for precise oil clearance and superior crankshaft support, these bearings are a critical component for engine rebuilds, ensuring consistent oil film thickness and reducing friction within the bottom end. The MB5840XP set provides the durability required for both heavy-duty towing in Ram trucks and high-RPM performance in SRT and Hellcat applications.

• Manufacturer Part Number: MB5840XP
• Engine Series: Chrysler Gen 3 Hemi
• Displacement Compatibility: 5.7L, 6.1L, 6.4L
• Quantity: Set of 5 Main Bearings
• Fitment Years: 2005-2025

Fits select 2005-2025 Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L, 6.1L, or 6.4L Gen 3 Hemi engine.

Engineered for precision and reliability, this King Engine Bearings MB5840SI main bearing set is designed to replace worn factory components during an engine overhaul or performance build. These bearings provide the critical support needed for the crankshaft, ensuring consistent oil film clearance and minimizing friction within the lower engine block. The SI-Series construction is particularly suited for modern engines, offering enhanced durability under varied load conditions.

• Manufacturer Part Number: MB5840SI
• Product Type: Crankshaft Main Bearing Set
• Quantity: Set of 5
• Engine Compatibility: Chrysler Gen 3 Hemi (5.7L, 6.1L, 6.4L)
• Build Quality: Precision-ground to meet or exceed OE tolerances for oil pressure maintenance and rotational stability

The King Engine Bearings XP-Series pMax Black main bearing set (MB5824XPC) is engineered to meet the extreme demands of high-performance Ford GT500 engine blocks. Built for racing applications and high-load environments, these bearings utilize advanced tri-metal construction to provide superior fatigue resistance and durability where standard OE bearings may fail.

• Fits Ford GT500 engine blocks
• Manufacturer Part Number: MB5824XPC
• Series: XP-Series pMax Black
• Tri-metal construction for maximum load-carrying capacity
• Precision-engineered for consistent oil clearances and reliable lubrication
• Designed to withstand high-RPM and extreme cylinder pressures

Fits 2008-2013 BMW M3 (S65B40A engine).

Ensure the longevity and reliability of your high-revving V8 with the King Engine Bearings XP-Series Main Bearing Set. Specifically engineered for the S65B40A engine found in the E9X M3, these bearings are designed to withstand the extreme internal loads and high RPMs of BMW's performance powerplants. The XP-series features a high-load tri-metal construction, providing the durability required for both spirited street driving and dedicated track use.

These bearings utilize King’s advanced metallurgy to maintain consistent oil clearances and offer superior fatigue resistance compared to standard OE components. Each set is manufactured to exacting tolerances to ensure a precise fit during engine assembly or rod/main bearing service.

• High-performance XP-Series tri-metal construction
• Engineered for the 4.0L S65B40A V8 engine
• Enhanced load capacity and fatigue resistance
• Provides consistent oil film thickness for high-RPM stability
• Complete set of 5 main bearings included
• Manufacturer Part Number: MB5803XP

Fits 2008-2019 BMW 550i, 650i, 750i, 750Li, Alpina B6/B7, X5, and X6 models (V8-4.4L N63/S63).

This King Engine Bearings crankshaft main bearing set is engineered for precision engine rebuilding. Sized at +0.25mm (oversize), these bearings are designed for use with crankshafts that have been machined or ground to restore surface integrity. These SM-series bearings provide the consistent oil clearance and load-bearing capacity required for high-output BMW twin-turbocharged V8 applications.

• Manufacturer Part Number: MB5801SM0.25
• Bearing Size: +0.25mm Oversize
• Engine Compatibility: BMW N63 and S63 V8
• Material: High-strength SM-series construction for durability and thermal stability
• Application: Replaces worn or damaged factory main bearings during bottom-end assembly

Fits select 2008-2019 BMW 550i, 650i, 750i, X5, X6, and Alpina B6/B7 models.

The King Engine Bearings MB5801SM crankshaft main bearing set is engineered for technicians and engine builders demanding precise oil clearances and superior load capacity. Designed to meet the tight tolerances of high-performance BMW powerplants, these bearings provide a reliable foundation for the crankshaft, ensuring consistent oil film thickness and reduced friction during high-stress operation. Whether performing a routine rebuild or a performance overhaul, these bearings replace worn OE components with improved durability and material consistency.

• Manufacturer Part Number: MB5801SM
• Component Type: Crankshaft Main Bearing Set
• Ensures proper crankshaft alignment and oil pressure maintenance
• Designed for high-load automotive applications
• Direct fit for specified BMW N63 and S63-series equipped vehicles

Fits select 2012-2018 BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4 models equipped with the N20B20 engine.

This King Engine Bearings main bearing set is designed for precision engine rebuilding and performance maintenance. These bearings are sized at +0.50mm (oversize), making them the correct choice for N20B20 crankshafts that have been machined or ground down to restore a smooth journal surface. Engineered to handle the demands of modern turbocharged BMW engines, these bearings provide the reliable oil clearance and durability required for a long-lasting bottom end.

• Manufacturer Part Number: MB5784SI0.5
• Oversize Spec: +0.50mm / 0.020"
• Engine Application: BMW N20B20 (Turbocharged Inline-4)
• Construction: High-strength materials designed for consistent oil film retention and wear resistance.

Whether you are performing a standard refresh or a complete engine overhaul, using King Engine Bearings ensures your crankshaft is supported by components manufactured to strict tolerances. This set includes all necessary main bearings for a complete service of the N20 block.

Fits select 2012-2018 BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4 (N20 / B20 engines).

Ensure reliable bottom-end support for your BMW N20 or B20 engine with King Engine Bearings MB5784SI0.25 crankshaft main bearings. These precision-engineered bearings are designed for engine rebuilds where the crankshaft journals have been ground 0.25mm undersize. They provide the critical oil clearances and load-bearing capacity required to maintain engine longevity and smooth operation under load.

• Manufacturer Part Number: MB5784SI0.25
• Undersize Specification: 0.25mm
• Engine Compatibility: BMW N20, B20
• High-load capacity for turbocharged applications
• Maintains consistent oil film for reduced friction

Fits select 2012-2018 BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4.

The King Engine Bearings MB5784SI main bearing set is engineered to restore the precise crankshaft clearances required for optimal engine longevity. This set replaces worn factory bearings to help maintain consistent oil pressure and protect internal components from excessive wear under load. Built for precision and reliability, these bearings are a critical component for engine rebuilds or bottom-end maintenance on select BMW platforms.

• Manufacturer Part Number: MB5784SI
• Restores factory-specified crankshaft clearances and support
• High-precision manufacturing ensures consistent oil film and performance
• Complete main bearing set designed for direct-fit replacement
• Durable material construction for reliable engine service

Vehicle Fitment:

Fits select 2013-2023 Audi and Volkswagen models, including A3, A4, A5, A6, Q3, Q7, S3, TT, TTS, Beetle, Golf R, GTI, Jetta, and Passat (CDAA, CDHA, CHHA, CHHB, CJXA, CJXB engines).

The King Engine Bearings MB5779XP main bearing set is engineered to provide the durability and precision required for modern turbocharged Audi and VW engines. Whether performing a standard rebuild or a performance overhaul, these bearings deliver the consistent oil film and load-carrying capacity necessary to protect your crankshaft journals under high-stress conditions. Each set is designed to meet or exceed OE tolerances, ensuring a perfect fit within the engine block.

• Manufacturer Part Number: MB5779XP
• Engine Codes: CDAA, CDHA, CHHA, CHHB, CJXA, CJXB
• Fitment Type: Direct replacement for OE main bearings
• High-load capacity for performance and reliability

Fits select 2013-2023 Audi A3, A4, A5, A6, Q3, Q7, S3, TT/TTS and Volkswagen Beetle, Golf R, GTI, Jetta, and Passat models.

The King Engine Bearings MB5779SM main bearing set is engineered for precision engine assembly and long-term durability in high-performance Audi and Volkswagen engines. Designed specifically for CDAA, CDHA, CDHB, and CDAB engine codes, these bearings provide the critical oil clearance and load-bearing capacity required for stable crankshaft rotation during high-RPM operation. Whether you are performing a standard engine refresh or a complete rebuild, these standard-size (STD) bearings ensure your bottom end meets strict tolerances.

• Manufacturer Part Number: MB5779SM
• Quantity: Set of 5 bearings
• Size: STD (Standard)
• Engine Compatibility: CDAA, CDHA, CDHB, CDAB
• Materials: Engineered for consistent thermal conductivity and fatigue resistance
• Direct replacement for factory main bearings to restore OE-level clearances

Fits select 2008-2018 Audi and Volkswagen models equipped with 1.8L and 2.0L TSI/TFSI engines, including A3, A4, A5, A6, allroad, Q3, Q5, TT, Beetle, CC, Eos, GTI, Jetta, Passat, and Tiguan.

The King XP Series main bearing set is engineered for high-performance applications where increased load capacity and durability are required. These tri-metal bearings are designed to withstand the high cylinder pressures and RPM levels found in modified TSI and TFSI engines. By utilizing King's advanced metallurgy and precision manufacturing, these bearings provide superior fatigue resistance and embeddability compared to standard OE components.

• Manufacturer Part Number: MB5778XP
• Series: XP Performance
• Size: STD (Standard)
• Construction: Tri-metal
• Compatible Engines: 1.8L/2.0L TSI/TFSI
• Application: Crankshaft Main Bearings

Fits select 2008-2018 Audi and Volkswagen models including A3, A4, A5, A6, Q3, Q5, GTI, Jetta, and Tiguan (1.8L/2.0L TSI/TFSI).

This King Engine Bearings Main Bearing Set (MPN MB5778SM0.25) is engineered to restore precise internal tolerances in Audi and VW 1.8/2.0 TSI and TFSI engines. Sized at 0.25mm oversized, these bearings are designed for applications where the crankshaft main journals have been ground down to remove scoring or wear, requiring thicker bearing shells to maintain correct oil clearances.

King bearings are manufactured with high-strength alloys to provide the load-carrying capacity and thermal stability necessary for modern turbocharged engines. By ensuring a consistent oil film and proper rotational support for the crankshaft, this set helps prevent premature engine failure and maintains steady oil pressure throughout the RPM range.

• Manufacturer Part Number: MB5778SM0.25
• Bearing Size: 0.25mm Oversized
• Engine Compatibility: 1.8L and 2.0L TSI / TFSI
• Component Type: Engine Main Bearing Set
• Material: High-load bearing alloy