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  See more parts for Mazda 323
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ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Main Bearing Set 5M8353H-STD - 5M8353H-STD
ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Main Bearing Set 5M8353H-STD - 5M8353H-STD - Image 2 ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Main Bearing Set 5M8353H-STD - 5M8353H-STD - Image 2

ACL 5M8353H-STD High Performance Main Bearing Set

The ACL 5M8353H-STD Main Bearing Set is engineered for high-performance applications, specifically tailored for the Mazda B6/BP/BP-T 1.6/1.8L engines. This set combines advanced metallurgy and precision engineering to provide reliable performance under demanding conditions, making it an essential upgrade for any serious engine build.

Key Features

  • High strength overlay plate with reduced thickness enhances fatigue resistance, allowing for sustained high RPM operation.
  • Hardened steel backs on all bearings improve support for the lining and ensure secure retention within the housing.
  • Increased crush for superior bearing retention, ensuring stability during operation.
  • Elimination of flash plating enhances heat transfer and maximizes grip between the bearing and housing.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved design optimizes load-carrying surface area and oil flow to connecting rod bearings.
  • Tight wall tolerances maintain consistent clearances, crucial for performance applications.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring a proper fit.

Specifications

  • Size: STD, .025, .25, .50
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 1.9661 in / 49.938 mm
  • Max Std Shaft Size: 1.9668 in / 49.956 mm
  • Min Std Tunnel Size: 2.1259 in / 53.998 mm
  • Max Std Tunnel Size: 2.1267 in / 54.018 mm
  • Max Wall at Crown: 0.0793 in / 2.013 mm
  • Max Overall Length: 0.6941 in / 17.63 mm

Fitment

Confirmed fitment for the ACL 5M8353H-STD includes the Mazda 323 from 1986 to 2003. This ensures that you can enhance your engine's performance with confidence in compatibility.

Other Part Numbers:
ACL #acl5M8353H-STD

Proposition 65

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

Vehicle
1986-2003
 Mazda 323

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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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