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ACL Engine Bearings Standard Size Rod Bearing Set for Mazda 4 1991CC 93-02, Ford Probe 89-97, MX-6 88-92, Protege 90-03 - 4B8300A-STD

ACL 4B8300A-STD Rod Bearing Set

The ACL 4B8300A-STD Rod Bearing Set is engineered for high-performance applications, delivering exceptional durability and reliability under demanding conditions. This Trimetal engine bearing set is specifically designed to withstand the rigors of higher RPM environments, making it an ideal choice for enthusiasts looking to enhance their engine's performance.

Key Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings improve support for the bearing lining and ensure secure retention within the housing.
  • Increased crush design enhances bearing retention, preventing displacement under load.
  • Elimination of flash plating on the back of the bearings optimizes heat transfer and maximizes grip between the bearing and housing.
  • 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 oil flow to the connecting rod bearings.
  • Tight wall tolerances maintain consistent clearances for improved performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Manufactured using advanced techniques for superior quality.
  • Designed with a focus on safety and reliability.
  • Precise engineering ensures optimal performance and longevity.

Fitment

The ACL 4B8300A-STD Rod Bearing Set is compatible with the following models:

  • Ford Probe (1989-1997)
  • Mazda MX-6 (1988-1992)
  • Mazda Protege (1990-2003)

Other Part Numbers:
ACL #acl4B8300A-STD

Proposition 65

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

Vehicle
1989-1997
 Ford Probe
1988-1992
 Mazda MX-6
1990-2003
 Mazda Protege

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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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