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ACL Race Series Engine Bearings for Subaru EJ20/EJ22/EJ25 STD Size with Extra Oil Clearance - 5M8309HX-STD
ACL Race Series Engine Bearings for Subaru EJ20/EJ22/EJ25 STD Size with Extra Oil Clearance - 5M8309HX-STD - Image 2 ACL Race Series Engine Bearings for Subaru EJ20/EJ22/EJ25 STD Size with Extra Oil Clearance - 5M8309HX-STD - Image 2

ACL 5M8309HX-STD Engine Bearings

The ACL 5M8309HX-STD is a high-performance engine bearing designed specifically for the Subaru EJ20, EJ22, and EJ25 engines. These bearings are crafted with a unique blend of design, metallurgy, and engineering, ensuring they meet the demands of high RPM conditions while providing reliable performance.

Features

  • High strength overlay plate with reduced thickness for improved fatigue properties.
  • Hardened steel backs on all rod bearings enhance support and retention.
  • Increased crush for better bearing retention.
  • Elimination of flash plating on the back to improve heat transfer.
  • Increased eccentricity to accommodate bore distortion at high RPM.
  • 3/4 grooved main bearings optimize load carrying surface area and oil flow.
  • Tight wall tolerances help maintain consistent clearances.
  • Enlarged ID chamfers on bearing edges for compatibility with performance crankshafts.

Specifications

  • Size: STD
  • Oil Clearance: + 0.001" Extra
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 2.3616 in / 59.984 mm
  • Max Std Shaft Size: 2.3622 in / 60.000 mm
  • Min Std Tunnel Size: 2.5194 in / 64.000 mm
  • Max Std Tunnel Size: 2.5205 in / 64.020 mm
  • Max Wall at Crown: 0.0784 in / 1.992 mm
  • Max Overall Length: 0.748 in / 19 mm

Customer Feedback

"I installed these bearings in my WRX, and I can definitely feel the difference. The engine runs smoother, and I’m getting better oil flow. Highly recommend if you're looking to upgrade!" - James T.

"These bearings fit perfectly in my 2005 Subaru Impreza. I appreciate the quality and attention to detail ACL put into them. Worth the investment!" - Sara L.

Fitment

Compatible with:

  • Subaru Forester 1998-2017
  • Subaru Impreza 1993-2017
  • Subaru WRX 2002-2022

Upgrade your engine's performance with the ACL 5M8309HX-STD bearings, designed to withstand the rigors of high-performance driving.

Other Part Numbers:
ACL #acl5M8309HX-STD

Proposition 65

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

Vehicle
1998-2017
 Subaru Forester
1993-2017
 Subaru Impreza
2002-2022
 Subaru WRX

ACL Banner

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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