Fits select 2011-2025 Subaru (BRZ, WRX, Forester, Impreza, Legacy, Outback, Crosstrek), 2013-2016 Scion FR-S, and 2017-2020 Toyota 86 with FA20 or FB20 engines.

Engineered for high-load performance applications, this King Engine Bearings Tri-Metal main bearing set provides the durability required for modified engines and track-driven vehicles. These bearings are designed to withstand higher cylinder pressures and RPMs than standard OE-style bearings. The +.025mm oversize specification is precision-ground to accommodate specific crankshaft journal clearances, ensuring optimal oil film thickness and rotational stability.

• Manufacturer Part Number: MB5745XPG.026
• Size: +.025mm Oversize
• Construction: Performance Tri-Metal
• Engine Compatibility: Subaru FA20, FB20
• High-load capacity for forced induction or high-RPM builds
• Precise oil hole alignment for consistent lubrication

Fits select 2011-2025 Subaru, Toyota, and Scion vehicles (including WRX, BRZ, Forester, and 86) equipped with FA and FB series engines.

Ensure your engine rebuild meets exact tolerances with the King Engine Bearings MB5745SI main bearing set. Designed as a direct replacement for worn OE components, these standard-size (STD) bearings provide the precise oil clearance and crankshaft support necessary for the unique demands of the Subaru boxer engine architecture. Whether performing a routine refresh or a complete block overhaul, these bearings deliver the reliability required for daily operation and spirited driving.

• Manufacturer Part Number: MB5745SI
• Bearing Size: Standard (STD)
• Engine Compatibility: Subaru FA & FB Series
• Engineered for consistent oil pressure and reduced friction
• Precision-manufactured to meet or exceed OE specifications

Fits select 1990-2019 Subaru and Saab vehicles (EJ20, EJ22, and EJ25 engines) including Legacy, Outback, Impreza, WRX, STI, Forester, Baja, and 9-2X.

Engineered for high-output applications, the King XP-series performance main bearing set is designed to withstand the extreme loads found in turbocharged and high-RPM EJ-series engines. These bearings feature King’s proprietary pMax Black tri-metal construction, offering a hardened surface to resist fatigue and handle increased cylinder pressures during competition or aggressive street use.

This specific set is ground to a +.002mm oversize (extra clearance) specification, providing engine builders with the precise tolerances needed to achieve optimal oil film thickness and flow in high-performance builds. These bearings replace the factory main bearings and are essential for maintaining crankshaft stability and oil pressure under stress.

• Manufacturer Part Number: MB5739XPG
• Engine Series: Subaru EJ20, EJ22, EJ25
• Size: +.002mm (Extra Clearance)
• Material: pMax Black Tri-Metal Performance
• Construction: High-load capacity for racing and forced induction

Fits select 2004-2010 Ford E-350, Excursion, F-250, and F-350 Super Duty models (6.0L / 6.4L Powerstroke Diesel).

Restore engine reliability and internal clearance with the King Engine Bearings MB5736CP crankshaft main bearing set. Designed for high-load diesel environments, these bearings serve as a direct replacement for worn or damaged OE components during an engine overhaul. This set is engineered to meet or exceed standard factory tolerances, ensuring proper oil film thickness and consistent lubrication for the crankshaft journals.

• Manufacturer Part Number: MB5736CP
• Size: STD (Standard)
• Engine Compatibility: Ford 6.0L and 6.4L Powerstroke V8 Diesel
• Application: Crankshaft Main Bearings
• Precision machined for consistent oil clearance and thermal stability

Fits select 2011-2017 Ford F-150 and Mustang models equipped with the 5.0L Coyote engine.

The King Engine Bearings XP-series main bearing set is engineered for high-load, high-RPM performance applications where precision oil clearance is critical. This set features the King pMax Black tri-metal construction, providing the increased fatigue strength and load capacity required for modified 5.0L Coyote engines. This specific set is sized at +.026mm, allowing builders to achieve exact tolerances when correcting for crankshaft wear or custom machining requirements.

• Manufacturer Part Number: MB5734XP.026
• Series: XP Performance
• Application: Main Bearing Set
• Size: +.026mm
• Material: pMax Black Tri-Metal
• Engine: Ford 5.0L Coyote

Includes a full set of main bearings designed for direct replacement of factory components while providing superior durability under racing conditions.

Fits select 2008-2022 Mitsubishi Lancer and Outlander Sport models (including Evolution X and Ralliart). This King Engine Bearings Coated Performance Main Bearing Set is engineered for high-output applications where standard OE bearings reach their limits. Utilizing King's XP series technology, these bearings are designed for high-load environments such as circuit racing and forced induction builds.

The set features PMaxBlack, a tri-metal copper-based material that provides superior load capacity and fatigue resistance. These bearings also incorporate Radialock technology to ensure optimal crush height and a secure fit within the engine block. The XPC suffix denotes a specialized overlay coating that reduces friction and protects against metal-to-metal contact during cold starts or extreme oil pressure fluctuations.

• Manufacturer Part Number: MB5722XPCSTDX
• Series: XP Performance Coated
• Bearing Size: STDX (Standard with Extra Clearance)
• Material: PMaxBlack Tri-metal Copper Based
• Technology: Radialock for optimal crush height
• Compatibility: Mitsubishi 4B11 and 4B11T engines

Fits select 2008-2022 Mitsubishi Lancer and Outlander Sport models including Evolution X and Ralliart (4B11 / 4B11T engines).

King Engine Bearings XP-Series performance main bearings are engineered for high-output racing applications where superior load capacity and reliability are required. Built with King’s PMaxBlack tri-metal copper-based material, these bearings are designed to withstand the extreme cylinder pressures common in turbocharged 4B11T builds. The specialized coating reduces friction and heat buildup, providing an extra layer of protection during high-RPM operation.

Each set features Radialock technology, ensuring optimal crush height for precise bearing-to-bore contact and consistent oil clearance. Whether you are refreshing a factory Evolution X or building a high-horsepower Ralliart, these bearings provide the technical tolerances needed for engine longevity.

• Manufacturer Part Number: MB5722XPC
• Series: XP-Series Coated Performance
• Size: STD (Standard)
• Material: PMaxBlack tri-metal copper-based construction
• Radialock technology for optimal crush height
• Engineered for high-load racing and performance applications

Fits select 2006-2022 Hyundai and Kia vehicles (including Genesis Coupe, Optima, Sonata, and Sportage) equipped with G4KE or G4KC engines (2.0T). This King Engine Bearings main bearing set is engineered for technicians and engine builders performing precision bottom-end refreshes or full rebuilds.

Designed as a direct replacement for worn factory bearings, these SI-series bearings are constructed from a high-grade aluminum alloy with silicon, offering excellent embeddability and wear resistance for daily driven or moderately tuned applications. This specific set is sized at +25 (0.25mm) for crankshafts that have been ground to a corresponding undersize, ensuring the correct oil clearance and rotational stability for the main journals.

• Manufacturer Part Number: MB5707SI0.25
• Engine Series: Hyundai/Kia G4KE, G4KC
• Size: +25 (0.25mm) Oversize
• Quantity: Set of 5 Bearings
• Material: Silicon-Aluminum Alloy (SI Series)

Proper lubrication and clearance are critical for engine longevity. These bearings provide the reliable oil film thickness necessary to support the crankshaft under load, preventing metal-to-metal contact and premature engine failure.

Fits select 2006-2022 Hyundai and Kia models including Sonata, Optima, Santa Fe, and Sportage (2.0T).

King Engine Bearings main bearings are designed for precision and reliability in G4KE and G4KC engine platforms. Whether performing a standard rebuild or a performance refresh, these bearings provide the essential support for the crankshaft, ensuring consistent oil clearance and reduced friction for the rotating assembly. Each set is manufactured to tight tolerances to meet the demands of modern turbocharged 4-cylinder engines.

• Manufacturer Part Number: MB5707SI
• Engine Compatibility: Hyundai/Kia G4KE/G4KC (2.0T)
• Quantity: Set of 5 Bearings
• Designed for OE-quality fit and thermal stability
• Engineered for consistent oil film maintenance

Fits select 2010-2020 Hyundai and Kia models including Accent, Sonata, Tucson, Veloster, Forte, Optima, Rio, and Soul (1.6T).

Maintain precise crankshaft alignment and optimal oil clearance with the King Engine Bearings MB5706SI Main Bearing Set. Designed as a direct replacement for worn factory bearings, this set is essential for engine overhauls and performance rebuilds on the 1.6T platform. These bearings are manufactured to tight tolerances to ensure consistent oil film thickness and reliable operation under varying load conditions.

• Manufacturer Part Number: MB5706SI
• Component Type: Main Bearing Set
• Engine Compatibility: 1.6T
• Fitment: Replaces factory main bearings on select G4-series engines

Fits 2000-2009 Honda S2000 Base and CR models (F20C / F22C engines).

The King Engine Bearings XP series is engineered for high-load, high-RPM performance applications where traditional OE bearings may fail. These tri-metal main bearings feature the pMax Black overlay, providing a 24% harder surface than conventional tri-metal bearings to withstand increased cylinder pressures and high-revving VTEC operation. Designed with tight tolerances and superior fatigue resistance, this set ensures consistent oil clearance and crankshaft stability during spirited driving or track use.

• Manufacturer Part Number: MB5673XP
• Bearing Series: XP Performance
• Size: STD (Standard)
• Material: Tri-metal pMax Black overlay for extreme durability
• Designed for high-performance F20C and F22C engine builds
• Precision-manufactured to ensure optimal oil film thickness

Fits 2002-2008 Mini Cooper S models with W10B16A and W11B16A engines.

King Engine Bearings’ SI-Series main bearing sets are engineered for reliable OE replacement and engine rebuilding. These bearings feature a silicon bi-metal aluminum-tin alloy (AlSn20Cu), providing excellent fatigue resistance and superior embeddability to handle micro-debris in the oiling system. This +0.25mm oversize set is precision-manufactured for crankshafts that have been ground during the machining process to restore proper oil clearances and engine longevity.

• Manufacturer Part Number: MB5667SI0.25
• Material: Silicon Bi-Metal (Aluminum-Tin-Silicon Alloy)
• Size: +0.25mm (Oversize)
• Engine Compatibility: W10B16A / W11B16A
• Designed for high-load durability and consistent oil pressure

Fits 2002-2008 Mini Cooper S models equipped with the W10B16A or W11B16A engines.

King Engine Bearings SI-Series main bearings are engineered for high-precision engine rebuilds where reliability and seize resistance are paramount. Constructed from silicon bi-metal aluminum, this main bearing set (MB5667SI) is an ideal replacement for the factory units in your Mini. The micro-alloyed aluminum material offers excellent embeddability, allowing for better particle absorption than traditional tri-metal bearings, while the added silicon provides a harder surface for improved wear resistance.

• Manufacturer Part Number: MB5667SI
• Sizing: Standard (STD)
• Material: Silicon Bi-Metal Aluminum (SI-Series)
• Applications: W10B16A and W11B16A 1.6L engines
• Design: Direct-fit OE replacement for main journal support

Fits select 2002-2020 Nissan Altima, Frontier, Murano, Pathfinder, Rogue, and Sentra, INFINITI QX60, and Suzuki Equator models (QR25DE 2.5L DOHC 16V).

Maintain critical crankshaft clearances and support your engine's bottom end with this King Engine Bearings main bearing set. Engineered specifically for the Nissan QR25DE power plant, this standard size (STD) set provides the precision fitment and load capacity required to restore factory oil pressure and ensure long-term durability. Whether you are performing a standard rebuild or refreshing a high-mileage engine, these bearings offer the consistent wall thickness and material integrity necessary for reliable operation.

• Manufacturer Part Number: MB5664AM
• Bearing Size: Standard (STD)
• Engine Compatibility: QR25DE 2.5L DOHC 16-Valve
• Restores factory-spec oil clearances and crankshaft support
• High-quality construction for improved wear resistance and load distribution

Fits select 1998-2017 Audi A3, A4, TT, TTS, and Volkswagen Beetle, CC, Eos, Golf, GTI, Jetta, and Passat (2.0L / 2.0T).

This King MB5661XP crankshaft main bearing set is engineered to provide precise oil clearances and reliable rotational support for your engine rebuild. These bearings are manufactured to tight tolerances to ensure optimal oil film thickness and consistent crank alignment under various operating conditions, replacing worn factory main bearings to restore engine health.

• Manufacturer Part Number: MB5661XP
• Fits Engine Codes: ADZ, AWT, APK, BHP, BPY, AKS
• Compatible Displacements: 1.6L, 1.8L, 2.0L, 2.0T
• Material: High-performance bearing construction for increased durability
• Application: Complete main bearing set for crankshaft journals

Fits select 1998-2017 Audi and Volkswagen models including A3, A4, TT, Beetle, Golf, GTI, Jetta, and Passat (2.0T).

The King Engine Bearings MB5661SI Main Bearing Set is engineered for OE-level reliability and moderate performance applications. As part of the SI-Series, these bearings utilize a silicon-aluminum bi-metal construction that provides excellent embeddability for debris and superior resistance to seizure compared to traditional aluminum bearings. This set is specifically designed to handle the demands of the 2.0T turbocharged powerplants, ensuring proper oil clearance and crankshaft support during engine overhauls.

• Material: Silicon Bi-Metal Aluminum Alloy
• Size: STD (Standard)
• Engine Fitment: 2.0T
• Series: King SI-Series
• MPN: MB5661SI
• Application: Direct replacement for AMB, BYK, and BBX engine codes

Each set is manufactured with precise tolerances to restore factory specifications and maintain consistent oil pressure across the main journals.

Fits select 2001-2015 Toyota, Lexus, and Scion vehicles equipped with 1AZ-FE and 2AZ-FE engines.

The King Engine Bearings MB5646SI Main Bearing Set provides precise crankshaft support for engine rebuilds and high-mileage overhauls. Designed as a direct replacement for original equipment (OE) components, these bearings are engineered to meet strict tolerances, ensuring proper oil clearance and long-term durability under standard operating conditions. Whether you are refreshing a daily driver Camry or rebuilding a Scion tC performance block, these bearings offer the consistent material quality required to prevent premature wear and maintain oil pressure.

• Manufacturer Part Number: MB5646SI
• Engine Compatibility: Toyota 2.0L 1AZ-FE / 2.4L 2AZ-FE I4
• Material Construction: High-quality SI-series aluminum alloy for thermal stability and embeddability
• Included: Full set of main bearings for one engine block

Fits select 1989-2004 Nissan 240SX, Altima, Frontier, Xterra, Stanza, Axxess, and Pickup models.

King Engine Bearings main bearing sets are precision-engineered to restore engine performance and ensure long-term reliability. This AM-series set is manufactured using advanced aluminum-based materials to provide excellent embeddability and conformability. Designed as a direct replacement for the Nissan KA-24E engine platform, this standard-size (STD) bearing set (MB5595AM) maintains the tight tolerances required for proper crankshaft lubrication and oil pressure.

• Manufacturer Part Number: MB5595AM
• Engine Application: Nissan KA-24E
• Bearing Size: STD (Standard)
• Series: AM-Series
• High-strength aluminum-based alloy construction
• Designed for OE-replacement and daily driving applications
• Full set of main bearings included for all journals

Fits select 1986-2015 Acura, Honda, and Isuzu models, including Integra, Civic, Accord, and Prelude (D16A1 / H22A4 / F23A).

Engineered for high-load performance and racing applications, the King XP-Series main bearing set is designed to withstand extreme cylinder pressures and high RPMs. These bearings feature King’s advanced tri-metal construction, providing the durability and fatigue resistance required for modified engines. The STDX size is specifically designed to provide extra oil clearance—typically .001" over standard—ensuring optimal lubrication and cooling for high-performance builds.

• Manufacturer Part Number: MB5568XPSTDX
• Bearing Series: XP Performance
• Size: STDX (Extra Oil Clearance)
• Construction: High-strength tri-metal
• Designed for increased oil flow and thermal stability
• Precision-manufactured to tight tolerances for consistent oil pressure

Fits select 1986-2015 Acura (CL, ILX, Integra), Honda (Accord, Civic, CR-V, CRX, Odyssey, Prelude), and Isuzu Oasis.

The King Engine Bearings XP Series is engineered for high-performance applications where increased loads and high RPMs demand superior durability. This MB5568XP performance main bearing set is designed to replace factory components with a high-strength tri-metal construction, providing the fatigue resistance necessary for racing or heavily modified street engines.

These bearings are manufactured with advanced tolerances to ensure consistent oil clearances and optimal crankshaft support. The XP series features a specialized overlay designed to withstand extreme pressures while maintaining a reliable oil film, making it an essential upgrade for high-output engine builds.

• Manufacturer Part Number: MB5568XP
• Bearing Size: STD (Standard)
• Series: XP Performance
• Application: Main Bearing Set
• Construction: High-load tri-metal
• Engineered for high-RPM racing and performance environments
• Enhanced fatigue resistance and load capacity

Fits select 1986-2015 Acura, Honda, and Isuzu vehicles, including the Acura Integra, Honda Civic, Accord, Prelude, and Isuzu Oasis.

This King Engine Bearings MB5568AM Crankshaft Main Bearing Set is engineered for technicians and engine builders who require precise oil clearances and reliable performance. Designed as a direct replacement for worn factory bearings, these standard-size (STD) components are essential for maintaining the structural integrity of the rotating assembly. They ensure smooth crankshaft rotation and help prevent premature engine wear by providing a consistent lubrication surface under load.

• Manufacturer Part Number: MB5568AM
• Bearing Size: STD (Standard)
• Compatible Engines: Honda D16A/Y/Z, H22A4, and F23A series
• Component Type: Crankshaft Main Bearing Set
• Application: Internal engine restoration and performance rebuilding

Fits select 1973-2005 Audi and Volkswagen models equipped with the 1.8L engine, including A4, Golf, Jetta, and Passat.

The King Engine Bearings XP-Series main bearing set is engineered for high-performance applications where increased load capacity and RPM are required. These tri-metal bearings are designed to withstand the rigors of racing and forced induction builds, offering superior fatigue resistance compared to standard OE-style bearings. Featuring a high-strength pabbitt overlay and enlarged crush for better bearing-to-bore contact, the MB5566XP set ensures stable oil film thickness and improved heat dissipation under extreme thermal stress.

• Manufacturer Part Number: MB5566XP
• Bearing Series: XP (Performance)
• Size: STD (Standard)
• Construction: Tri-metal puddled lead-bronze
• Compatibility: 1.8L engines
• Increased crush for improved bearing retention and heat transfer

Fits select 1983-2001 Toyota Camry, Celica, MR2, RAV4, and Solara (2.0L).

This King Engine Bearings pMaxKote Performance main bearing set is engineered for high-output 3SGTE and 2.0L Toyota engines that require superior seizure resistance and load capacity. These bearings feature the pMaxKote nano-composite coating, a factory-applied solid lubricant that protects against metal-to-metal contact during cold starts and high-RPM operation without adding thickness that would interfere with oil clearance tolerances.

• Manufacturer Part Number: MB5554XPC
• Bearing Size: STD (Standard)
• Series: pMaxKote Performance
• Construction: High-strength tri-metal with advanced coating
• Compatibility: Designed for 16V 2.0L 3SGTE and related engine platforms

Fits select 1983-2001 Toyota Camry, Celica, MR2, RAV4, and Solara models.

Engineered for high-load racing and performance applications, the King Engine Bearings XP Series main bearing set provides the durability required for modified Toyota powerplants, including the 3S-GTE. These bearings feature a tri-metal construction designed to withstand higher RPMs and increased cylinder pressures compared to standard OE-style replacements. The XP series is known for its advanced metallurgical composition and tight tolerances, ensuring reliable oil film maintenance during aggressive driving conditions.

• Manufacturer Part Number: MB5554XP
• Bearing Size: STD (Standard)
• Series: XP Series Performance
• Application: High-load, high-RPM racing and performance engines
• Construction: High-strength tri-metal material
• Compatibility: Designed for 1983-2001 Toyota 4-cylinder engine blocks

Fits select 1980-1997 Toyota Corolla, MR2, Tercel, Celica, and Geo Prizm models (1.6L). This King Engine Bearings XP Series performance main bearing set is engineered for high-output 4AGE and 4AGZE engines where increased load capacity and durability are required.

The XP series features King’s pMax Black tri-metal construction, specifically designed to handle the high cylinder pressures found in forced induction or high-RPM racing applications. These bearings are 0.25mm oversized, making them the correct choice for crankshafts that have been ground to a first undersize. Designed with precision tolerances and optimized oil clearance, they provide superior reliability for both street and track builds.

• Manufacturer Part Number: MB5527XP0.25
• Series: King XP Performance
• Size: 0.25mm Oversized (0.010" Undersize)
• Engine Application: Toyota 1.6L 16V (4AGE / 4AGZE)
• Material: Tri-metal pMax Black for enhanced fatigue resistance
• Quantity: Complete set of main bearings