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  See more parts for Subaru Forester
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ACL Engine Bearings 5M8297HX-STD for Subaru EJ20/EJ22/EJ25, Standard Size, Extra Oil Clearance - 5M8297HX-STD
ACL Engine Bearings 5M8297HX-STD for Subaru EJ20/EJ22/EJ25, Standard Size, Extra Oil Clearance - 5M8297HX-STD - Image 2 ACL Engine Bearings 5M8297HX-STD for Subaru EJ20/EJ22/EJ25, Standard Size, Extra Oil Clearance - 5M8297HX-STD - Image 2

ACL Race Series Engine Bearings - 5M8297HX-STD

If you're a Subaru owner looking to push your engine's performance to the next level, the ACL Race Series Engine Bearings (part number 5M8297HX-STD) are engineered specifically for you. These high-performance Trimetal engine bearings are designed to endure the rigors of higher RPM conditions, making them a perfect upgrade for your 1990-2017 Subaru Legacy, 1993-2017 Subaru Impreza, 1995-2017 Subaru Outback, or 1998-2017 Subaru Forester. With their advanced metallurgy and design, these bearings provide the reliability and performance you demand.

Features

  • High strength overlay plate with reduced thickness enhances fatigue resistance, ensuring longevity under stress.
  • Hardened steel backs on rod bearings improve support and retention, keeping your bearings secure in the housing.
  • Increased crush for better bearing retention, which is crucial during high-load scenarios.
  • Elimination of flash plating on the back promotes better heat transfer and maximizes grip between bearings and housing.
  • Enhanced eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the conrod bearings.
  • Tight, consistent wall tolerances allow you to maintain precise clearances, critical for performance engines.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii on 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: 0.7480 in / 19.00 mm

Fitment

The 5M8297HX-STD is compatible with the following Subaru models:

  • Subaru Forester (1998-2017)
  • Subaru Impreza (1993-2017)
  • Subaru Legacy (1990-2017)
  • Subaru Outback (1995-2017)

Customer Feedback

Subaru Forester owners have reported that these bearings make a noticeable difference in engine performance, especially when paired with performance-tuned setups. One owner noted, "After installing the ACL bearings, my 2015 Forester felt more responsive at higher RPMs, and I noticed less engine noise during spirited driving." Another Impreza owner mentioned, "These bearings held up perfectly during my track days, providing the durability I need without any issues." Don't settle for less when it comes to your engine—upgrade to ACL Race Series Engine Bearings for reliable, track-ready performance.

Other Part Numbers:
ACL #acl5M8297HX-STD

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
1995-2017
 Subaru Outback

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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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