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ACL 6B2390H-.25 ACL NISSAN VG30DETT 3.0L-V6 0.25mm Oversized High Performance Rod Bearing Set
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ACL 5M2965H-.025 ACL NISSAN ZD30, QD32, Inline 4 Diesel .025mm Oversized High Performance Main Beari
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ACL 5M8337H-STD ACL SUZUKI 4 - 1324cc G13A / BA Standard Size High Performance Main Bearing Set
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ACL 5M8353HX-STD ACL MAZDA 4 B6 / BP / BP-T Race Series Stnd Size High Performance w / Extra Oil Clearance
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ACL 6B2455HX-STD ACL PORSCHE 911 / 930 71-77 Flat 6 Standard Size High Performance w / Extra Oil Cleara
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ACL 5M8378H-STD ACL TOYOTA 1RZ, 2RZ, 2TZ, 3RZ Inline 4 Standard Size High Performance Main Bearing S
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ACL 5M1959HX-STD ACL ACURA B17A1 / B18A1 / B18B1 / B18C1 / B18C5 VTEC / HONDA K20A3 / K20A2 / K24A Standard S
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ACL 7M2428HX-STD ACL NISSAN RB25DETT / RB26DETT Standard Size High Performance w / Extra Oil Clearance
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ACL 7M2965H-.25 ACL NISSAN TD42 .25mm Oversized High Performance Main Bearing Set
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ACL 6B2955H-.25 ACL NISSAN TB42 / TB45 / TB48 L6 0.25mm Oversize Race Connecting Rod Bearing Set
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ACL 5M8412H-.25 ACL TOYOTA 2AZFE (2.4L) 0.25mm Oversized High Performance Main Bearing Set
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ACL 6B2390HX-STD ACL NISSAN VG30DETT 3.0L-V6 Standard Size High Performance w / Extra Oil Clearance R
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ACL 6B1584H-STD ACL BMW N54B30 / N55B30 / S55B30 3.0L Standard Size High Performance Rod Bearing Set
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ACL 5M2747HX-STD ACL NISSAN KA24DE Inline 4 Standard High Performance W / Extra Oil Clearance Main Be
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ACL 7M1532H-.025 Main Bearing Set Race Series 0.025 for BMW M20 Engine 1988+ Photo-0
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ACL 6B1515H-STD ACL BMW S50B30 Race Rod Bearings *SPECIAL ORER**
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ACL 6B2960HX-STD ACL NISSAN RB25DETT / RB26DETT Standard Size High Performance w / Extra Oil Clearance
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ACL 5M8092HX-STD ACL LEXUS V8 4.0L 1UZFE Standard Size High Performance Race Series Main Bearing Set
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ACL 6B2150HX-STD ACL FORD 144ci / 170ci / 188ci Standard Size High Performance w / Extra Oil Clearanc
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ACL 8B743HXD-STD ACL CHEVROLET V8 396-402-427-454 Race Series Con Rod Bearing Set
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ACL 5M1695H-.50 ACL TOYOTA 4AGE / 4AGZE (1.6L) 0.50 Oversized High Performance Main Bearing Set
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ACL 6B2462HX-STD ACL PORSCHE 911 78-89 Standard Size High Performance w / Extra Oil Clearance Rod Bea
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ACL 6B2955H-STD ACL NISSAN TB42 / TB45 / TB48 L6 Standard Size Race Connecting Rod Bearing Set
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ACL 5M5647H-STD ACL FORD 4.6L V8 DOHC Standard Size High Performance Main Bearing Set
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ACL 5M1186H-.025 ACL MITSUBISHI 4G63 / 4G64 7 Bolt 2nd Gen DSM and EVO I-IV 0.025mm Oversized High Per
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ACL 5M8297HX-STD ACL SUBARU EJ20 / EJ22 / EJ25 (For Thrust in #3 Position) Standard Size High Performanc
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ACL 5M2964H-STD ACL NISSAN SR20DE / DET (2.0L) Standard Size High Performance Main Bearing Set
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ACL 6B8396H-STD ACL TOYOTA 1HZ 4164cc Inline 6 Diesel Standard Size High Performance Rod Bearing Set
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ACL 5M1633H-.025 ACL NISSAN CA18 / C20 0.025 Oversized High Performance Main Bearing Set
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ACL 5M8037H-.25 ACL MITSUBISHI 4G93 1834CC +.25 Oversized High Performance Main Bearing Set
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ACL 6B2390H-.50 ACL NISSAN VG30DETT 3.0L-V6 0.50mm Oversized High Performance Rod Bearing Set
Special order
ACL 6B8262H-.025 ACL TOYOTA 1GR-FE V6 DOHC .025mm Oversized High Performance Rod Bearing Set

ACL – High-Performance Engine Bearings for Motorsport & Street Applications

For decades, ACL (Australian Clutch & Bearing Company) has been a trusted name in engine bearing technology, providing high-performance main and rod bearings for motorsport, performance tuning, and OEM applications. Designed to handle extreme loads, high RPM, and demanding conditions, ACL bearings are the preferred choice of engine builders, professional racers, and automotive enthusiasts worldwide.

ACL’s Race Series bearings are engineered for maximum durability, oil distribution, and reduced friction, ensuring optimal engine efficiency and longevity. Whether you are building a high-horsepower race engine, upgrading your street car, or rebuilding a factory engine, ACL bearings offer exceptional reliability, precise fitment, and superior wear resistance.

Manufactured using high-quality materials and advanced metallurgy, ACL bearings are rigorously tested to meet the stringent requirements of modern high-performance engines. Designed to withstand increased cylinder pressures, extreme temperatures, and continuous high-RPM operation, ACL bearings provide unmatched engine protection for a wide range of applications.

ACL Main Bearings – Strength & Stability for High-Performance Engines

ACL main bearings play a critical role in supporting the crankshaft, reducing friction, and maintaining smooth engine operation. Engineered for enhanced oil film strength and durability, ACL main bearings are designed to withstand high loads and extreme operating conditions.

Key Features of ACL Main Bearings

  • High-Performance Tri-Metal Construction: Provides superior load-carrying capacity and reduced wear.
  • Advanced Oil Grooves and Tunnels: Ensure consistent lubrication and reduced friction.
  • Oversized and Undersized Options Available: Suitable for custom engine builds and machining requirements.
  • Exceptional Heat Resistance: Designed to withstand high-temperature environments.

ACL Rod Bearings – Reducing Friction & Maximizing Power

ACL rod bearings are designed to reduce friction between the connecting rods and crankshaft, ensuring smooth rotational movement and improved engine efficiency. These bearings are engineered to handle high-RPM operation, aggressive engine tuning, and increased power output.

Key Features of ACL Rod Bearings

  • Hardened Overlay for Maximum Durability: Provides excellent wear resistance and extended lifespan.
  • Precision Fitment: Ensures consistent clearance and optimal oil retention.
  • Enhanced Load-Bearing Properties: Reduces bearing deformation under high loads.
  • Ideal for High-Boost & Turbocharged Engines: Designed for high-horsepower applications.

ACL Race Series Bearings – Engineered for Extreme Performance

The ACL Race Series Bearings are the industry standard for motorsport and high-performance engine builds, offering increased load capacity, reduced friction, and superior oil distribution. These bearings are specifically designed for high-RPM, high-horsepower applications, making them the preferred choice for drag racing, circuit racing, and endurance racing.

Why Choose ACL Race Series Bearings?

  • Optimized for Racing Engines: Designed to handle extreme power loads and continuous high RPMs.
  • Superior Oil Clearance Control: Ensures consistent lubrication under high-pressure conditions.
  • Reduced Bearing Distortion: Enhances engine efficiency and longevity.
  • Trusted by Professional Engine Builders & Tuners Worldwide.

Why Upgrade to ACL Bearings?

Upgrading to ACL performance bearings is essential for anyone looking to improve engine durability, power output, and overall efficiency. Whether you're building a high-revving race engine or enhancing street performance, ACL bearings offer proven reliability and engineering excellence.

Benefits of ACL Performance Bearings

  • Increased Engine Longevity: Reduces wear on critical engine components.
  • Enhanced Lubrication & Oil Control: Minimizes friction and heat buildup.
  • Stronger Load Capacity: Supports high-compression, turbocharged, and nitrous-fed engines.
  • Precision Manufacturing: Ensures perfect bearing clearance and consistent oil flow.

ACL Bearings for Every Application

ACL offers a comprehensive selection of bearings for a variety of performance applications, including:

  • Motorsport & Racing Engines – Designed for high-RPM and extreme power output applications.
  • High-Performance Street Builds – Ideal for performance-tuned street cars and daily-driven modified engines.
  • OEM Replacements & Engine Rebuilds – Perfect for factory-spec engine rebuilds requiring superior durability.
  • Turbocharged & Forced Induction Setups – Withstands higher cylinder pressures and increased power demands.

Why Choose ACL Bearings?

ACL has built its reputation on precision engineering, high-quality materials, and advanced manufacturing processes, making them one of the most trusted brands in engine bearings. Every ACL bearing is developed with cutting-edge metallurgy, ensuring superior wear resistance, heat dissipation, and durability.

Key Reasons to Choose ACL

  • Industry-Leading Manufacturing: Developed using state-of-the-art production techniques and rigorous quality control.
  • Proven Track Record in Motorsports: Used by top racing teams and engine builders worldwide.
  • Designed for Maximum Engine Protection: Ensures consistent oil pressure, reduced metal-to-metal contact, and improved crankshaft support.
  • Perfect Fitment for a Wide Range of Vehicles: Available for performance, motorsport, and OEM applications.

Upgrade Your Engine with ACL Bearings

If you are looking to maximize engine performance, reliability, and longevity, ACL main and rod bearings are the ultimate solution. Whether you’re an engine builder, tuner, or motorsport enthusiast, ACL provides race-proven technology for all performance levels.

Shop the full range of ACL Race Series bearings, OEM replacement bearings, and high-performance engine components at ATOMIC-SHOP today.