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  See more parts for Subaru Forester
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ACL High Performance Rod Bearing Set 0.50mm Oversized for Subaru EJ20/EJ22/EJ25 1993-2018 - 4B8320H-.50
ACL High Performance Rod Bearing Set 0.50mm Oversized for Subaru EJ20/EJ22/EJ25 1993-2018 - 4B8320H-.50 - Image 2 ACL High Performance Rod Bearing Set 0.50mm Oversized for Subaru EJ20/EJ22/EJ25 1993-2018 - 4B8320H-.50 - Image 2

ACL 4B8320H-.50 High Performance Rod Bearing Set

The ACL 4B8320H-.50 rod bearing set is engineered for those who demand reliability and performance in their engines. This set is specifically designed for the Subaru EJ20, EJ22, and EJ25 engines, featuring a 0.50mm oversized fit that can enhance your engine's efficiency and longevity.

Features

  • High strength overlay plate with a reduced thickness that improves fatigue properties, making it suitable for high RPM conditions.
  • Hardened steel backs on all rod bearings enhance the support of the bearing lining, ensuring a secure fit within the housing.
  • Increased crush for improved bearing retention, providing peace of mind during performance driving.
  • Elimination of flash plating on the back of the bearings enhances heat transfer, maximizing the grip between the bearings and their housing.
  • Increased eccentricity helps compensate for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize the load carrying surface area and promote oil flow to the conrod bearings.
  • Tight, consistent wall tolerances help maintain reliable clearances for enhanced engine performance.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii on performance crankshafts.

Specifications

  • Size: 0.50mm oversized
  • Oil Clearance: + Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 1.8891 in / 47.984 mm
  • Max Std Shaft Size: 1.8898 in / 48.000 mm
  • Min Std Tunnel Size: 2.0079 in / 51.000 mm
  • Max Std Tunnel Size: 2.0079 in / 51.000 mm
  • Max Wall at Crown: 0.059 in / 1.498 mm
  • Max Overall Length: 0.6154 in / 15.63 mm

Customer Feedback

Many users have shared their experiences with the ACL 4B8320H-.50 bearings, noting significant improvements in engine performance. One customer remarked, "After installing these bearings, my Subaru runs smoother and has a noticeable increase in power. The fit was perfect, and I appreciate the quality." Another user mentioned, "I've used other brands in the past, but these ACL bearings really stand out in terms of durability and performance." It's clear that these bearings are a reliable choice for both casual drivers and serious enthusiasts.

Other Part Numbers:
ACL #acl4B8320H-.50

Proposition 65

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

Vehicle
1998-2017
 Subaru Forester
1993-2018
 Subaru Impreza
2002-2022
 Subaru WRX

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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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