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  See more parts for Honda Accord
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ACL Honda Oversized Main Bearing Set 0.25 for 1986-2020 Accord, 1983-2001 Prelude - 5M1957A-.25
ACL Honda Oversized Main Bearing Set 0.25 for 1986-2020 Accord, 1983-2001 Prelude - 5M1957A-.25 - Image 2 ACL Honda Oversized Main Bearing Set 0.25 for 1986-2020 Accord, 1983-2001 Prelude - 5M1957A-.25 - Image 2

ACL Race Series Engine Bearings 5M1957A-.25: Performance You Can Trust

If you're looking to push your Honda Accord (1986-2020) or Honda Prelude (1983-2001) to its limits, the ACL Race Series Engine Bearings 5M1957A-.25 are designed to meet the demands of high-performance driving. These bearings are engineered with a unique combination of advanced metallurgy and precision design to withstand the rigors of higher RPM conditions, making them an essential upgrade for any serious automotive enthusiast.

Key Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance, ensuring longevity even under extreme conditions.
  • Hardened steel backs on all rod bearings provide superior support, improving the retention of the bearing lining within the housing.
  • Increased crush for optimal bearing retention, preventing unwanted movement during high-stress situations.
  • Elimination of flash plating on the back promotes better heat transfer and maximizes grip between the bearings and their housing.
  • Enhanced eccentricity compensates for bore distortion at high RPMs, aiding in the formation of hydrodynamic oil films for smoother operation.
  • 3/4 grooved main bearings optimize load-carrying surface area and improve oil flow to the conrod bearings, crucial for high-performance applications.
  • Tight, consistent wall tolerances help maintain precise clearances, ensuring optimal engine performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, making installation straightforward.

Technical Specifications

  • Size: STD, 025, .25
  • 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

Fitment

The ACL 5M1957A-.25 is compatible with:

  • Honda Accord: 1986-2020
  • Honda Prelude: 1983-2001

Real-World Feedback

Honda Accord owners have reported significant improvements in engine responsiveness after installing these bearings, with one user stating, "After switching to the ACL Race Series bearings, my engine feels more alive, especially during those high RPM pulls!" Another Honda Prelude enthusiast shared, "These bearings made a noticeable difference in my track times—definitely a worthy upgrade for anyone serious about performance."

Upgrade your engine's performance and reliability with the ACL Race Series Engine Bearings 5M1957A-.25—because your Honda deserves the best.

Other Part Numbers:
ACL #acl5M1957A-.25

Proposition 65

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

Vehicle
1986-2020
 Honda Accord
1983-2001
 Honda Prelude

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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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