Fits select 1992-2005 Toyota Supra and Lexus GS300, IS300, and SC300 (3.0L 2JZGE / 2JZGTE).

Designed for precision engine rebuilds where the crankshaft journals have been ground, this ACL High Performance .025mm oversized rod bearing set ensures critical oil clearances are maintained. Engineered to withstand the increased thermal and mechanical stresses of high-RPM and forced-induction applications, these bearings are a standard choice for 2JZ engine builds ranging from street performance to dedicated track use. The high-strength construction provides the durability needed for the 3.0L inline-six platform to handle high load across the powerband.

• Part Type: Connecting Rod Bearings
• Bearing Size: .025mm Oversize
• Engine Compatibility: 2JZGE / 2JZGTE (3.0L)
• Quantity: Complete set for one engine
• Series: High Performance

This ACL High Performance Rod Bearing Set is designed for engine builders and enthusiasts requiring precise tolerances and durability in high-load environments. Engineered as a standard size (STD) replacement, these bearings are suitable for 1st Gen DSM 6-bolt 4G63 and 4G64 builds, as well as a wide variety of Mitsubishi-sourced powerplants ranging from 1.2L to 1.8L. These bearings provide the essential oil clearance and load-bearing capacity needed to protect your rotating assembly during high-RPM operation.

• Fits select 1971-2006 Dodge, Eagle, Hyundai, Mitsubishi, and Plymouth vehicles.
• Engine Compatibility: 4G30, 4G31, 4G32, 4G33, 4G35, 4G36, 4G37, 4G61, 4G61T, 4G62, 4G63, 4G64, and G62BT.
• Engine Displacements: 1.2L, 1.3L, 1.4L, 1.5L, 1.6L, 1.7L, 1.8L.
• Size: Standard (STD).
• Configuration: Set of 4 bearing pairs for connecting rods.
• High-strength construction designed for performance and racing applications.

Fits select 1991-2005 Subaru Forester, Impreza, Legacy, and Outback, and 2005 Saab 9-2X models equipped with EJ20, EJ22, or EJ25 engines.

Designed for high-performance and race applications, this ACL main bearing set provides the durability required for increased loads and high-RPM operation. This specific set is engineered for EJ-series engine blocks where the thrust bearing is located in the #3 journal position. These bearings feature extra oil clearance to ensure a consistent oil film, reducing friction and protecting critical crankshaft surfaces during demanding driving conditions.

• Engine Compatibility: Subaru EJ20, EJ22, and EJ25
• Thrust Position: #3 Main Journal
• Size: Standard Size
• Series: High Performance with Extra Oil Clearance
• Application: Direct replacement for OE-style bearings in performance builds

Whether you are rebuilding a daily-driven WRX or a dedicated track engine, these ACL bearings provide the precision tolerances and material strength needed for a reliable bottom end.

Fits select 2006-2021 Audi and Volkswagen models with EA888 Gen 3 TFSI 4-cylinder turbo engines, including A3, A4, A5, S3, GTI, and Golf R.

Designed for high-performance and competition use, these ACL Race Series main bearings provide the durability required for increased power levels and high-RPM operation. This specific set is .25mm oversize, intended for use with crankshafts that have been machined or ground to restore surface finish and concentricity. The tri-metal construction features a steel backing for strength, a copper-lead intermediate layer for heat dissipation, and a lead-tin-copper overlay for superior embeddability and fatigue resistance.

• Series: Race Series
• Bearing Size: .25mm Oversize
• Material: High-strength tri-metal
• Engine Compatibility: EA888 Gen 3 TFSI 4-cylinder Turbo
• Application: Replaces worn factory main bearings during engine assembly

Fits select 1993-2006 Mitsubishi, Eagle, Hyundai, and Kia vehicles equipped with 4G63, 4G63T, and 4G64 7-bolt engines.

This ACL High Performance connecting rod bearing set is engineered for the rigors of high-output engines. Designed specifically for 7-bolt crankshaft configurations found in 2nd Generation DSMs and Evolution I-IX models, these bearings provide the durability required for high-RPM and high-load environments. These are 0.25mm (.010") undersize bearings, making them the correct choice for engine rebuilds where the crankshaft journals have been machined or ground to restore a perfect surface finish and maintain proper oil clearance.

• Compatible Engines: 4G63, 4G63T, 4G64 (7-bolt)
• Size: 0.25mm (.010") Undersize / Oversized Material
• Application: High-Performance / Competition
• Configuration: Replaces bearings in 1992-1997 flange main and 1997-on thrust washer setups
• Quantity: Complete set of 4 rod bearings

Fits Honda and Acura models equipped with the B18A1 or B18B1 1.8L non-VTEC engines. This ACL Race Series rod bearing set is engineered for the high-RPM demands and increased loads of performance builds and competitive racing.

Constructed with a unique tri-metal design, these bearings feature a hardened steel back for improved support and a lead-tin-copper overlay for superior fatigue resistance. The ACL Race Series design incorporates increased crush for better bearing retention and reduced heat transfer, ensuring consistent oil clearance even under extreme thermal stress. This is a direct-replacement set for builders seeking more durability than standard OE-style bearings.

• Manufacturer Part Number: 4B1815H-STD
• Series: Race Series
• Size: Standard (STD)
• Construction: Tri-metal lead-tin-copper
• Compatibility: Honda/Acura B18A1 and B18B1 engines
• Includes: Complete set for one engine

Fits select 1986-2005 Mazda, Kia, and Mercury vehicles including Miata, Protege, and Rio (1.8L).

The ACL High Performance Rod Bearing Set is engineered for the Mazda B6, BP, and BP-T engine architectures, providing the reliability and precision required for performance-oriented builds. This standard size (STD) set is designed to replace worn factory bearings, ensuring optimal oil clearance and durability under the high-stress conditions found in both street and track environments.

• Fits B6, BP, and BP-T engine platforms
• Standard size (STD) for factory-spec crank journals
• High-performance construction for increased load capacity
• Compatible with naturally aspirated and turbocharged (BP-T) variants

Fits select 2004-2009 Audi A3 Quattro, TT Quattro and Volkswagen Eos, R32, and Touareg (V6-3.2L).

Engineered for high-stress applications, this ACL High Performance main bearing set provides the essential foundation for your VR6 engine rebuild. These bearings are designed to withstand increased RPM and higher load capacities compared to standard replacements, making them a staple for performance builds and standard refreshes alike.

Constructed with technical precision, these standard-sized bearings ensure proper oil clearance and crankshaft support. Whether you are rebuilding a Touareg V6 or a performance-oriented R32, these bearings offer the durability and fatigue resistance required for the narrow-angle VR6 architecture.

• Product Line: ACL High Performance
• Size: Standard (Std)
• Engine Fitment: Volkswagen/Audi 3.2L VR6
• High-strength construction for improved fatigue resistance
• Precision tolerances for consistent oil film maintenance

Vehicle Fitment

Fits select 1993-2006 Mitsubishi, Eagle, Hyundai, and Kia vehicles with 4G63, 4G63T, or 4G64 7-bolt engines.

This ACL high-performance connecting rod bearing set is engineered for high-stress environments, providing the load-bearing capacity and durability required for performance 4-cylinder builds. Specifically designed for the 7-bolt variant of the 4G63 and 4G64 engine blocks, these bearings are a staple for 2nd Generation DSM and Lancer Evolution I-IX builds. They serve as a direct replacement for worn OE bearings in applications using the standard journal size.

• Part Type: Connecting Rod Bearing Set (Set of 4)
• Bearing Size: Standard
• Compatible Engines: Mitsubishi 4G63, 4G63T, 4G64 (7-Bolt)
• Application Notes: Fits 1992-97 with flange main and 1997-on with thrust washers
• Material: High-strength tri-metal for increased fatigue resistance

Fits select 2002-2012 Acura RDX, RSX, TSX and Honda Accord, CR-V, and Element models.

Engineered for high-RPM and high-load environments, the ACL Race Series rod bearing set provides the durability required for performance K-series builds. This set features the CT-1 dry film lubricant coating, which significantly reduces friction during cold starts and extreme operating conditions to prevent premature wear and galling. The tri-metal construction utilizes a hardened steel backing for superior load-bearing capacity and fatigue resistance compared to standard OE components.

• Manufacturer Part Number: 4B1972HC-STD
• Bearing Size: Standard (STD)
• Coating: CT-1 Dry Film Lubricant
• Material: Tri-metal hardened steel backing
• Compatibility: Optimized for Honda/Acura K-series engine journals

Precision-toleranced for a perfect fit, these bearings improve oil film retention and heat dissipation, making them an essential upgrade for high-performance street or track-oriented builds.

Fits select 2002-2012 Acura RDX, RSX, TSX and Honda Accord, CR-V, and Element (K20A2 / K24A).

This ACL High Performance rod bearing set is engineered for demanding K-Series builds that require enhanced lubrication reliability. These bearings are manufactured in a standard bore size but feature extra oil clearance (HX) to maintain a thicker oil film, protecting the crank journals under high-load or high-RPM racing conditions.

The CT-1 dry film lubricant coating provides an essential secondary layer of protection. This specialty coating reduces friction and helps prevent galling during critical cold starts or momentary oil pressure fluctuations. Built to exacting tolerances, these bearings provide the durability required for performance-oriented K20A2 and K24A engine rebuilds.

• Manufacturer Part Number: 4B1972HXC-STD
• Bearing Size: Standard (Std)
• Clearance: Extra Oil Clearance (HXC)
• Coating: CT-1 Dry Film Lubricant
• Application: High-Performance Race Series

Ensure precise piston pin alignment and clearance during your next engine rebuild with these ACL small end connecting rod bushings. Engineered for the Nissan RB25, RB26, and RB30 platforms, these bushings are designed to withstand the increased loads of high-performance and turbocharged applications.

These bushings are supplied in a "not bored" (semi-finished) state. This allows a machinist to press the bushings into the connecting rods first, then bore or hone them to the exact final diameter required for your specific piston pins. This process ensures perfect concentricity and the exact oil clearance necessary for a reliable rotating assembly.

• Fits Nissan RB25, RB26, and RB30 engines
• Component: Connecting rod small end bushing
• Finish: Not bored / Semi-finished (requires machining after installation)
• High-strength construction for engine longevity
• Manufacturer Part Number: RB4074

Fits select 1993-2006 Eagle, Hyundai, Kia, and Mitsubishi models equipped with 4G63, 4G63T, and 4G64 engines, including 7-bolt 2nd Gen DSM and Lancer Evolution I-IX applications.

This ACL high-performance connecting rod bearing set is engineered for the rigorous demands of high-RPM and high-load racing environments. The 0.025mm (0.001") undersize specification is designed specifically for crankshaft journals that have been ground to a smaller diameter, ensuring the precise oil clearances required for a reliable engine rebuild. These bearings are compatible with 1992-1997 engine blocks utilizing flange mains as well as 1997 and later blocks using thrust washers.

• Manufacturer Part Number: 4B1185H-.025
• Bearing Set Size: 0.025mm (0.001") Undersize
• Engine Compatibility: Mitsubishi 4G63, 4G63T, 4G64
• Quantity: Complete set of 4 rod bearings
• Build Quality: Designed for precision tolerances in high-performance rebuilds

Fits select 1967-2020 Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, and Stutz vehicles with V8 engines, including Small Block Chevy (305-350-400) and LS-based platforms.

Engineered for high-performance and competitive use, the ACL Race Series rod bearing set provides the structural integrity needed for high-RPM and extreme-load environments. These bearings feature a specialized tri-metal construction that balances hardness with embeddability to protect the crankshaft. This set comes pre-treated with a CT-1 dry-film lubricant coating, which significantly reduces friction and provides a critical layer of protection during initial startup and in the event of momentary oil pressure fluctuations.

• Manufacturer Part Number: 8B663HXC-STD
• Series: ACL Race Series
• Coating: CT-1 Dry Film Lubricant
• Bearing Size: Standard (STD)
• Construction: Hardened steel backs with copper-lead-tin tri-metal lining
• Compatibility: Designed for 2.100-inch crank journals
• Quantity: Complete set for one V8 engine

Fits select 2003-2025 Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L, 6.1L, 6.2L, and 6.4L Hemi V8 engines.

Engineered for high-stress applications, the ACL High Performance Coated Rod Bearing Set provides the durability and friction reduction required for high-output Hemi builds. Whether you are refreshing a 5.7L daily driver or rebuilding a supercharged 6.2L Hellcat or 6.4L SRT powerplant, these standard-size bearings offer superior oil retention and thermal management thanks to their advanced coating technology.

This 8-bearing set replaces worn OE components with precision-engineered shells designed to handle higher RPMs and increased cylinder pressures. The specialized coating acts as a dry-film lubricant during initial start-up and extreme loads, preventing metal-to-metal contact and extending the life of your crankshaft and connecting rods.

• Manufacturer Part Number: 8B1808HC-STD
• Engine Fitment: 5.7L, 6.1L, 6.2L SC, 6.4L Hemi V8
• Size: Standard (STD)
• Quantity: Set of 8 bearing pairs
• Series: High Performance Coated

Fits 2001-2005 Lexus IS300 Base and Sportcross.

This ACL rod bearing set provides the precision and durability required for professional engine rebuilds. Designed as a direct replacement for the 3.0L Inline-6 engine (2997cc), these standard-size (STD) bearings are manufactured to tight tolerances to ensure optimal oil clearance and long-term reliability under load. These components are essential for restoring the bottom-end integrity of your rotating assembly.

• Manufacturer Part Number: 6B8100A-STD
• Bearing Size: Standard (STD)
• Engine Configuration: Inline-6 DOHC 24V
• Precision-engineered for consistent oil film thickness

Fits select 2004-2009 Audi A3 Quattro, TT Quattro, and Volkswagen Eos, R32, and Touareg models equipped with the VR6 V6 engine.

Protect your engine's bottom end with the ACL Race Series rod bearing set. These standard-size (STD) bearings are engineered to withstand the increased cylinder pressures and higher RPM ranges found in high-performance VR6 builds. Utilizing a specialized tri-metal design, these bearings provide the fatigue resistance and embeddability required for track use and spirited street driving.

• Manufacturer Part Number: 6B5530H-STD
• Material: High-strength tri-metal lead-tin-copper overlay for superior load-carrying capacity.
• Hardened Steel Backing: Improves bearing retention and heat dissipation from the journal.
• Standard Size: Designed for engines with OE-specification crankshaft journal diameters.
• Performance Grade: ACL Race Series (H-Series) construction for maximum durability under extreme thermal stress.

Fits select 1984-2001 Honda Accord, CR-V, Prelude, and Acura Integra (B17A1 / B18A1 / B18B1).

Engineered for high-stress environments, the ACL High Performance Standard Size Rod Bearing Set provides the precision and durability necessary for performance engine builds and reliable street use. These bearings are designed to maintain a consistent oil film under heavy loads, protecting your crankshaft and connecting rods from metal-to-metal contact. Whether you are performing a standard refresh or a high-RPM build, these bearings ensure critical engine tolerances are met.

• Manufacturer Part Number: 4B1946H-STD
• Size: Standard (STD)
• Series: High Performance
• Enhanced load-carrying capacity for high-performance applications
• Precision-manufactured to strict tolerances for reliable oil clearance
• Direct replacement for worn factory rod bearings

Fits 1970-1984 Nissan 240Z, 260Z, 280Z, 280ZX, 810, and Maxima (L20 / L24 / L28 6-Cylinder engines).

This ACL High Performance rod bearing set is engineered for engines that demand higher load capacities and increased fatigue resistance. Designed specifically for the Nissan L-series inline-six family, these bearings provide the precise tolerances and durability required for both street performance and competition builds. This set replaces worn OE components with a high-strength tri-metal construction designed to manage the stresses of higher RPMs and increased power output.

• Manufacturer Part Number: 6B1171H-STD
• Bearing Size: Standard (STD)
• Engine Displacement: 1998cc (L20), 2393cc (L24), 2753cc (L28)
• Configuration: Full set for 6-cylinder connecting rods
• Material: Performance-grade tri-metal for improved oil film retention and load capacity

Fits select 2015-2024 Dodge Challenger/Charger SRT Hellcat, Jeep Grand Cherokee Trackhawk, and Ram 1500 TRX (6.2L).

The ACL Race Series main bearing set is engineered to meet the extreme demands of high-performance and forced induction engines. Designed specifically for the supercharged 6.2L V8, these bearings provide the fatigue strength and durability required for high-RPM operation and heavy loads. The tri-metal construction utilizes a combination of steel, copper, and lead to deliver superior load-bearing capacity compared to standard aluminum-based bearings.

Each bearing in this set is manufactured with strict tolerances to ensure consistent oil clearance and reliable lubrication across the crankshaft journals. Whether you are rebuilding a Hellcat engine for the track or refreshing a high-mileage TRX, these Race Series bearings provide the technical edge needed for engine longevity.

• Manufacturer Part Number: 5M2221H-STD
• Size: Standard (STD)
• Construction: Tri-metal hardened lead-tin-copper overlay
• High-strength steel backing for improved bearing retention
• Increased crush for better seating and heat transfer
• Optimized for 6.2L V8 supercharged applications

Fits select 1993-2006 Mitsubishi and Eagle models including Eclipse, Galant, and Lancer Evolution (4G63/4G64 7-Bolt). This ACL Race Series main bearing set is designed for high-performance applications where increased oil clearance is required for optimal crankshaft lubrication under heavy load.

Engineered to handle the rigors of high-RPM operation, these bearings feature a tri-metal construction for superior fatigue strength and load-carrying capacity. The "HX" designation indicates an extra .001 inch (.025mm) of oil clearance compared to standard bearings, providing the additional flow necessary for modified forced-induction engines. This set is specifically for 7-bolt crankshaft configurations found in 2nd Gen DSMs and later Evolution models.

• Manufacturer Part Number: 5M1186HX-STD
• Engine Compatibility: Mitsubishi 4G63 / 4G64 (7-Bolt)
• Size: Standard (STD)
• Clearance: Extra Oil Clearance (+.001")
• Construction: High-strength tri-metal lead/tin/copper overlay
• Quantity: Complete set for one engine

Fits select 2002-2011 Acura RSX, TSX and Honda Accord, CR-V, and Element models equipped with K20 and K24 engines.

The ACL High Performance Rod Bearing Set is engineered for high-RPM and high-load environments where engine reliability is critical. As part of the ACL performance line, the 4B1972HX-STD bearings are designed to withstand the increased cylinder pressures found in modified or competition engines. This "HX" variant provides an additional .001" (0.025mm) of oil clearance compared to standard H-series bearings, allowing for increased oil flow and improved lubrication in high-performance builds.

• Manufacturer Part Number: 4B1972HX-STD
• Bearing Size: Standard (STD)
• Clearance Type: Extra Oil Clearance (HX)
• Engine Fitment: Honda/Acura K20 and K24 series
• Quantity: Full set of rod bearings

Fits 2008-2013 BMW M3 (4.0L S65 V8).

ACL Race Series performance engine bearings are engineered to handle the high-revving demands and tight tolerances of the BMW S65 engine. This connecting rod bearing set is designed for the E90, E92, and E93 M3 platforms, providing a critical upgrade for owners performing preventative maintenance or a full engine rebuild. Featuring a high-strength tri-metal construction, these bearings offer the durability and load-bearing capacity required for high-RPM operation and track conditions.

• Manufacturer Part Number: 8B1580H-STD
• Series: ACL Race Series
• Size: Standard (STD)
• Tri-metal lead, tin, and copper composition for superior embeddability and fatigue strength
• Hardened steel backs for improved bearing retention and heat transfer
• Increased crush for better bearing-to-housing seating
• Designed specifically for the BMW 4.0L S65 V8 engine architecture

Fits 2009 Nissan GT-R Premium.

This ACL High Performance Main Bearing Set is engineered to provide the durability and precise tolerances required for high-stress Nissan RB30 and RB30ET turbo applications. These standard-size bearings are manufactured to rigorous specifications, ensuring reliable oil film thickness and consistent load distribution across the crankshaft mains for performance engine builds.

• Manufacturer Part Number: 7M2394HX-STD
• Component: Main Bearing Set
• Size: Standard Size (STD)
• Engine Series: Nissan RB30 / RB30ET Turbo
• High-strength construction optimized for increased load capacity

Fits select 1982-2006 BMW 3 Series, 5 Series, X3, X5, Z3, and Z4 models. This ACL high-performance connecting rod (conrod) bearing set is engineered for engines requiring additional oil clearance, specifically providing a "STD + .001in" (HX) clearance over factory specifications. This extra clearance is often preferred in performance builds to ensure a robust oil film during high-RPM operation and under heavy load conditions.

Designed for BMW M20, M50, M52, and M54 engine platforms, these bearings are manufactured to precise tolerances for consistent housing fitment and journal clearance. These components are essential for engine rebuilds where long-term durability and fatigue resistance are paramount.

• Manufacturer Part Number: 6B1490HX-STD
• Engine Compatibility: BMW M20, M50, M52, M54 (1919CC)
• Bore Size: 80.0mm
• Stroke: 66.0mm
• Clearance: STD + .001in (High-Clearance HX Series)
• Quantity: Complete set for one engine

Fits select 1991-2005 Subaru Forester, Impreza, Legacy, Outback, and Saab 9-2X (EJ20 / EJ22 / EJ25 engines).

The ACL High Performance Main Bearing Set (MPN: 5M8309H-STD) is engineered to handle the increased loads and higher RPMs of high-output EJ-series engines. This standard-size set is specifically designed for engine blocks that utilize the thrust bearing in the #5 position. Constructed for maximum durability and precision, these bearings provide a reliable foundation for performance-oriented builds and professional engine overhauls.

• Manufacturer Part Number: 5M8309H-STD
• Bearing Size: Standard (STD)
• Thrust Location: #5 Position
• Engine Compatibility: Subaru EJ20, EJ22, and EJ25
• Application: High Performance
• Quantity: Complete set of main bearings