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  See more parts for Subaru Forester
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ACL Subaru EJ20/EJ22/EJ25 0.025mm Oversized Main Bearings for Forester, Impreza, Legacy, WRX - 5M8309H-.025
ACL Subaru EJ20/EJ22/EJ25 0.025mm Oversized Main Bearings for Forester, Impreza, Legacy, WRX - 5M8309H-.025 - Image 2 ACL Subaru EJ20/EJ22/EJ25 0.025mm Oversized Main Bearings for Forester, Impreza, Legacy, WRX - 5M8309H-.025 - Image 2

ACL 5M8309H-.025 High Performance Main Bearing

The ACL 5M8309H-.025 is a top-quality main bearing designed specifically for high-performance applications. This bearing is part of ACL's renowned Race Series, which is known for its durability and ability to perform under extreme conditions. Crafted with a unique blend of design and metallurgy, this product promises to meet the expectations of even the most demanding drivers.

Features:

  • High strength overlay plate with a reduced thickness, enhancing fatigue resistance.
  • Hardened steel backs provide better support for the bearing lining and help retain the bearing securely in its housing.
  • Increased crush for improved retention of the bearing, ensuring a stable fit.
  • Elimination of flash plating on the back improves heat transfer, maximizing the grip between the bearing and its housing.
  • Enhanced eccentricity to counteract bore distortion at high RPMs, facilitating the formation of hydrodynamic oil films.
  • 3/4 grooved design optimizes the load-carrying surface area and oil flow to the connecting rod bearings.
  • Consistent wall tolerances help maintain precise clearances for better performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications:

  • Size: 0.025mm Oversized
  • Oil Clearance: Standard
  • 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: 0.0789 in / 2.005 mm
  • Max Overall Length: 0.748 in / 19 mm

Customer Feedback:

Many users have praised the ACL 5M8309H-.025 for its reliability in high-performance engines. One customer noted, "I've used these bearings in my Subaru EJ20, and the difference in performance is noticeable. They hold up well even under high RPMs." Another user mentioned, "Installation was straightforward, and I've had no issues since switching to these bearings. They seem to provide better oil flow compared to the stock ones."

Fitment:

This bearing is compatible with the following Subaru models:

  • Subaru Forester (1998-2017)
  • Subaru Impreza (1993-2017)
  • Subaru Legacy (1990-2017)
  • Subaru WRX (2002-2022)

Other Part Numbers:
ACL #acl5M8309H-.025

Proposition 65

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

Vehicle Make/Model
Subaru Forester 1998-2002 S
Subaru Forester 1998-2002 L
Subaru Forester 1998-2002 Base
Subaru Forester 2003-2005, 2007, 2009-2012, 2014-2017 XS
Subaru Forester 2003-2017 X
Subaru Forester 2005 XS L.L. Bean Edition
Subaru Forester 2006-2008 X L.L. Bean Edition
Subaru Forester 2007, 2009-2012, 2014-2017 XSL
Subaru Forester 2008 Sports 2.5 XT
Subaru Forester 2008 Sports 2.5 X
Subaru Forester 2008 2.5 XS
Subaru Forester 2008 Anniversary Edition
Subaru Forester 2008 2.5 X
Subaru Forester 2008 2.5 XT
Subaru Forester 2008 2.5 XS Premium
Subaru Forester 2009-2013 X Limited
Subaru Forester 2009-2013 X Touring
Subaru Forester 2009-2013 X Premium
Subaru Forester 2013 X Convenience
Subaru Forester 2014-2017 2.5i Premium
Subaru Forester 2014, 2016-2017 2.0XT Limited
Subaru Forester 2014-2017 2.5i
Subaru Forester 2014-2017 2.0XT Premium
Subaru Forester 2014-2017 2.5i Limited
Subaru Forester 2014-2017 2.5i Convenience
Subaru Forester 2014-2017 2.5i Touring
Subaru Forester 2014-2017 2.0XT Touring
Subaru Impreza 1993-1995, 2012-2017 Base
Subaru Impreza 1993-2001 L
Subaru Impreza 1993 4x4
Subaru Impreza 1993-1994 LS
Subaru Impreza 1995-1996 LX
Subaru Impreza 1995-2004 Outback
Subaru Impreza 1995 L 4x4
Subaru Impreza 1996-1997 Brighton
Subaru Impreza 1998-2005 RS
Subaru Impreza 2002-2004 TS
Subaru Impreza 2002-2014 WRX
Subaru Impreza 2005-2011 Outback Sport
Subaru Impreza 2006-2007 WRX TR
Subaru Impreza 2006-2007, 2010-2014 WRX Limited
Subaru Impreza 2006-2011 2.5i
Subaru Impreza 2008-2015, 2017 Sport
Subaru Impreza 2008 2.0R
Subaru Impreza 2009-2010 2.5 GT
Subaru Impreza 2009-2012 R
Subaru Impreza 2009-2014 WRX Premium
Subaru Impreza 2010 2.5i Limited
Subaru Impreza 2010 WRX GT
Subaru Impreza 2010 WRX SE
Subaru Impreza 2010-2011 2.5i Premium
Subaru Impreza 2011 XV
Subaru Impreza 2012-2017 Limited
Subaru Impreza 2012-2016 Sport Premium
Subaru Impreza 2012-2016 Sport Limited
Subaru Impreza 2012-2017 Premium
Subaru Impreza 2012-2017 Touring
Subaru Impreza 2013-2014 WRX STI Limited
Subaru Impreza 2013-2016 i
Subaru Impreza 2013-2014 WRX STI
Subaru Impreza 2013-2016 I Sport
Subaru Impreza 2014-2016 I Limited
Subaru Impreza 2017 Convenience
Subaru Legacy 1990-1996 LS
Subaru Legacy 1990, 1995, 2009-2012, 2014-2015 Base
Subaru Legacy 1990-2004 L
Subaru Legacy 1991-1997 LSi
Subaru Legacy 1991-1994, 2010-2014 Sport
Subaru Legacy 1992-1993 LS 4x4
Subaru Legacy 1992-1994 4x4
Subaru Legacy 1992-1993 L 4x4
Subaru Legacy 1994 Alpine Sport
Subaru Legacy 1994 Sun Sport
Subaru Legacy 1994, 2008 Touring
Subaru Legacy 1994 Outdoor
Subaru Legacy 1994, 1996-2008, 2010-2013 GT
Subaru Legacy 1995-2000 Brighton
Subaru Legacy 1995-1999 Outback
Subaru Legacy 1995-1998 Postal
Subaru Legacy 1997, 1999 Outback Limited
Subaru Legacy 1998, 2000-2002, 2005, 2007-2009 GT Limited
Subaru Legacy 1999 L 30th Anniversary
Subaru Legacy 1999 SUS 30th Anniversary
Subaru Legacy 1999 Limited 30th Anniversary
Subaru Legacy 2003 L SE
Subaru Legacy 2004 L 35th Anniversary
Subaru Legacy 2005 i
Subaru Legacy 2005, 2008, 2015 Limited
Subaru Legacy 2006-2009 GT spec.B
Subaru Legacy 2006-2017 2.5i Limited
Subaru Legacy 2006-2017 2.5i
Subaru Legacy 2007-2009 2.5i Special Edition
Subaru Legacy 2008 2.0
Subaru Legacy 2008-2009 3.0 R Limited
Subaru Legacy 2008 3.0
Subaru Legacy 2009 3.0 R
Subaru Legacy 2009, 2012-2013, 2015 2.5i Touring
Subaru Legacy 2009 2.0R
Subaru Legacy 2009 3.0 R Premier
Subaru Legacy 2010-2012 2.5GT
Subaru Legacy 2010-2017 3.6R Limited
Subaru Legacy 2010-2017 2.5i Premium
Subaru Legacy 2010-2013 3.6R
Subaru Legacy 2010-2012 3.6R Premium
Subaru Legacy 2013-2014 2.5i Convenience
Subaru Legacy 2014, 2017 2.5i Sport
Subaru Legacy 2014 R
Subaru Legacy 2015 Premium
Subaru Legacy 2015-2016 3.6R Touring
Subaru WRX 2012-2016 STI
Subaru WRX 2012-2022 Base
Subaru WRX 2013-2022 Limited
Subaru WRX 2014 SE
Subaru WRX 2015-2022 Premium
Subaru WRX 2017-2022 Sport
Subaru WRX 2017-2022 Sport-tech
Subaru WRX 2018-2021 6 Man
Subaru WRX 2018-2021 CVT
Subaru WRX 2019 Raui Edition
Subaru WRX 2019-2020 Sport-tech RS
Subaru WRX 2021 EyeSight
Subaru WRX 2022 GT

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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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