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  See more parts for Mitsubishi Mirage
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ACL 5M8309A-.50 Subaru EJ20/EJ22/EJ25 0.50mm Oversized Main Bearing Set - 5M8309A-.50
ACL 5M8309A-.50 Subaru EJ20/EJ22/EJ25 0.50mm Oversized Main Bearing Set - 5M8309A-.50 - Image 2 ACL 5M8309A-.50 Subaru EJ20/EJ22/EJ25 0.50mm Oversized Main Bearing Set - 5M8309A-.50 - Image 2

ACL 5M8309A-.50 Main Bearing Set

The ACL 5M8309A-.50 is a well-engineered main bearing set specifically designed for high-performance applications. This 0.50mm oversized bearing set is crafted with a focus on durability and efficiency, making it an excellent choice for those looking to enhance their engine's performance.

Key Features:

  • High strength overlay plate with reduced thickness to improve 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 optimize heat transfer.
  • Increased eccentricity to compensate for bore distortion at high RPM.
  • 3/4 grooved main bearings to maximize load carrying surface area and oil flow.
  • Tight wall tolerances for consistent clearances.
  • Enlarged ID chamfers to fit performance crankshafts.

Specifications:

  • Sizes Available: STD, .025, .25, 0.5
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Std Shaft Size: 2.3616in / 59.984 mm
  • Max Std Shaft Size: 2.3622in / 60 mm
  • Min Std Tunnel Size: 2.5197in / 64 mm
  • Max Std Tunnel Size: 2.5205in / 64.02 mm
  • Max Wall at Crown: 0.0789in / 2.005 mm
  • Max Overall Length: 0.748in / 19 mm

Customer Feedback:

Many customers have reported noticeable improvements in their engine's responsiveness after installing the 5M8309A-.50 bearings. One user mentioned, "I was surprised at how much smoother my engine runs now. The installation was straightforward, and the performance boost was immediately noticeable." Another customer noted, "These bearings seem to hold up well under high RPM conditions, which is exactly what I needed for my build."

Fitment:

Currently, the 5M8309A-.50 is listed for use in the ACL Subaru EJ20/EJ22/EJ25 engines for thrust in the #5 position. Be sure to verify compatibility with your specific application before purchasing.

Other Part Numbers:
ACL #acl5M8309A-.50

Proposition 65

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

Vehicle
1992-2003, 2014-2016
 Mitsubishi Mirage

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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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