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  See more parts for Subaru Forester
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ACL High Performance 0.50mm Oversized Main Bearing for Subaru EJ20/EJ22/EJ25 (1990-2017) - 5M8297H-.50
ACL High Performance 0.50mm Oversized Main Bearing for Subaru EJ20/EJ22/EJ25 (1990-2017) - 5M8297H-.50 - Image 2 ACL High Performance 0.50mm Oversized Main Bearing for Subaru EJ20/EJ22/EJ25 (1990-2017) - 5M8297H-.50 - Image 2

ACL 5M8297H-.50 High Performance Main Bearing

The ACL 5M8297H-.50 is engineered for those who demand precision and durability from their engine components. These high-performance main bearings are specifically designed for the Subaru EJ20, EJ22, and EJ25 engines, particularly suited for thrust in the #3 position. With an emphasis on performance and reliability, these bearings are an essential upgrade for any serious build.

Key Features

  • Tri-metal Construction: The unique tri-metal design combines a high-strength overlay plate with hardened steel backs, enhancing fatigue resistance and support for the bearing lining.
  • Optimized Oil Flow: Featuring 3/4 grooved main bearings, these components maximize oil flow to the connecting rod bearings, improving lubrication and reducing wear.
  • Increased Crush: The design incorporates increased crush for improved bearing retention, ensuring that the bearings stay securely in place during high RPM operation.
  • Heat Transfer Efficiency: The elimination of flash plating on the back of the bearings enhances heat transfer, allowing for better thermal management and grip within the housing.
  • Precision Tolerances: Tight wall tolerances maintain consistent clearances, which is critical for optimal engine performance and longevity.

Specifications

  • Size: 0.50mm Oversized
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Standard Shaft Size: 2.3616 in / 59.984 mm
  • Max Standard Shaft Size: 2.3622 in / 60.000 mm
  • Min Standard Tunnel Size: 2.5194 in / 64.000 mm
  • Max Standard Tunnel Size: 2.5205 in / 64.020 mm
  • Max Wall at Crown: 0.0789 in / 2.005 mm
  • Max Overall Length: 0.7480 in / 19.00 mm

Fitment

The ACL 5M8297H-.50 main bearing is compatible with the following Subaru models:

  • Subaru Forester (1998-2017)
  • Subaru Impreza (1993-2017)
  • Subaru Legacy (1990-2017)

Upgrade your engine's reliability and performance with the ACL 5M8297H-.50 high-performance main bearing, designed to meet the demands of high RPM conditions while maintaining exceptional durability.

Other Part Numbers:
ACL #acl5M8297H-.50

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1998-2017
 Subaru Forester
1993-2017
 Subaru Impreza
1990-2017
 Subaru Legacy

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Who is ACL?

ACL is a company that specializes in manufacturing and distributing high-quality engine bearings that have played a key role in the Australian automotive parts market. 

Based in Launceston, Tasmania, Australia, the company has been in the business for more than 70 years and has become the leading brand when it comes to its market segment.

Throughout the years, ACL has consistently provided top quality products and has become the equipment supplier of multiple Automotive brands such as Lancia, Mazda, Mini, Mitsubishi, Nissan, Peugeot, Subaru, Toyota, Volvo, Suzuki, Renault, SAAB, and more.  ACL also provides a replacement product range used by the aftermarket industry.

The company ensures that it maintains its high level of standard by employing manufacturing processes that are ISO certified. They also use the industry’s most advanced tooling equipment and designing software that allows them to create products that are superior in quality. ACL has been known worldwide to create bearings that are durable, innovative, and precise.

ACL also offers bearing used for high-performance applications. The company has been involved in motorsport racing since the 1960s and has manufactured bearings used in Brabham Formula 1. Today, their products are being used in different racing disciplines such as the Australian Supercar Championship, Drag racing, Driftings, and Rally.

Purchase ACL Bearings at Vivid Racing

Engine Bearings are a critical component of a vehicle and should not be overlooked. If you want to make sure that what you get is something you could rely on, then ACL is the brand for you. With over 200 engine applications, whether it’s an American, Australian, European, or Asian made vehicle, ACL got you covered. Visit Vivid Racing and check out their list of bearings that would fit your specific needs.

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