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ACL High Performance Main Bearing Set .25 for Toyota 2ZZGE 2000-2014, Tri-metal - 5M1857H-.25
ACL High Performance Main Bearing Set .25 for Toyota 2ZZGE 2000-2014, Tri-metal - 5M1857H-.25 - Image 2 ACL High Performance Main Bearing Set .25 for Toyota 2ZZGE 2000-2014, Tri-metal - 5M1857H-.25 - Image 2

ACL 5M1857H-.25 High Performance Main Bearing Set

The ACL 5M1857H-.25 main bearing set is engineered for those who demand reliability and performance from their engine components. This set is designed specifically for high RPM conditions, making it an ideal choice for performance builds and motorsport applications. Constructed with a unique tri-metal design, these bearings provide enhanced durability and improved oil flow, crucial for maintaining optimal performance under stress.

Key Features

  • High strength overlay plate with reduced thickness, enhancing fatigue properties for longevity.
  • Hardened steel backs on all bearings ensure superior support and retention within the housing.
  • Increased crush for better bearing retention, crucial for high-load applications.
  • Elimination of flash plating on the back enhances heat transfer and maximizes grip with the housing.
  • Increased eccentricity to counteract bore distortion at high RPM, aiding hydrodynamic oil film formation.
  • 3/4 grooved design optimizes load carrying surface area and improves oil flow to connecting rod bearings.
  • Tight wall tolerances maintain consistent clearances, essential for performance engines.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Size: .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with Hardened Steel Backs
  • Min Standard Shaft Size: 1.8893 in / 47.988 mm
  • Max Standard Shaft Size: 1.8898 in / 48.000 mm
  • Min Standard Tunnel Size: 2.0472 in / 52.000 mm
  • Max Standard Tunnel Size: 2.0479 in / 52.016 mm
  • Max Wall at Crown: 0.0786 in / 1.996 mm
  • Max Overall Length: 0.6693 in / 17.00 mm

Fitment

Confirmed fitment for the ACL 5M1857H-.25 includes the Toyota Matrix from 2003 to 2014. Ensure compatibility with your specific engine configuration for optimal performance.

Other Part Numbers:
ACL #acl5M1857H-.25

Proposition 65

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

Vehicle
2003-2014
 Toyota Matrix

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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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