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ACL High Performance Main Bearing Set .025mm for Acura D16A1, Honda H22A4, F23A0 - 5M1957H-.025
ACL High Performance Main Bearing Set .025mm for Acura D16A1, Honda H22A4, F23A0 - 5M1957H-.025 - Image 2 ACL High Performance Main Bearing Set .025mm for Acura D16A1, Honda H22A4, F23A0 - 5M1957H-.025 - Image 2

ACL 5M1957H-.025 High Performance Main Bearing Set

If you're looking for a reliable main bearing set that can handle the demands of high-performance driving, the ACL 5M1957H-.025 is worth considering. Designed specifically for applications like the Acura D16A1 and Honda H22A4, this set brings together a thoughtful blend of design and engineering to meet the expectations of car enthusiasts.

Features

  • High strength overlay plate with reduced thickness enhances fatigue properties, making it suitable for higher RPM conditions.
  • Hardened steel backs on all rod bearings improve support and retention within the housing.
  • Increased crush enhances bearing retention, ensuring a secure fit during operation.
  • Elimination of flash plating on the back of the bearings promotes better heat transfer and grip.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding in hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load carrying surface area and improve oil flow to the conrod bearings.
  • Tight and consistent wall tolerances help maintain clearances for reliable performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Specifications

  • Size: .025 mm oversized
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 2.1646 in / 54.98 mm
  • Max Std Shaft Size: 2.1654 in / 55 mm
  • Min Std Tunnel Size: 2.3228 in / 59 mm
  • Max Std Tunnel Size: 2.3236 in / 59.02 mm
  • Max Wall at Crown: 0.0790 in / 2.007 mm
  • Max Overall Length: 0.7874 in / 20 mm

Customer Feedback

Many users have reported a noticeable improvement in engine performance after installing the ACL 5M1957H-.025 bearings. One customer noted, "I was impressed with how well these bearings held up under stress. They fit perfectly and have made a significant difference in my engine's responsiveness." Another user mentioned, "The quality is evident right out of the box. They installed easily, and I've had no issues since." It's clear that these bearings are making a positive impact on performance builds.

Other Part Numbers:
ACL #acl5M1957H-.025

Proposition 65

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

Vehicle
1984-2020
 Honda Civic

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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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