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  See more parts for Mazda CX-7
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ACL L3-VDT MZR Duratec 2260cc Turbo .025 Oversized High Performance Rod Bearing Set for Mazda 3, 6, CX-7 - 4B8172H-.025
ACL L3-VDT MZR Duratec 2260cc Turbo .025 Oversized High Performance Rod Bearing Set for Mazda 3, 6, CX-7 - 4B8172H-.025 - Image 2 ACL L3-VDT MZR Duratec 2260cc Turbo .025 Oversized High Performance Rod Bearing Set for Mazda 3, 6, CX-7 - 4B8172H-.025 - Image 2

ACL 4B8172H-.025 High Performance Rod Bearing Set

The ACL 4B8172H-.025 is engineered for high-performance applications, providing the durability and precision necessary for demanding RPM conditions. This rod bearing set is designed with a unique tri-metal construction that enhances strength and performance, making it an ideal choice for serious automotive enthusiasts looking to maximize their engine's potential.

Key Features

  • High-strength overlay plate with reduced thickness, improving fatigue resistance under extreme conditions.
  • Hardened steel backs on all rod bearings enhance support for the bearing lining and ensure secure retention within the housing.
  • Increased crush for superior bearing retention, ensuring stability during operation.
  • Elimination of flash plating on the back of the bearings improves heat transfer and maximizes grip between bearings and housing.
  • Enhanced eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight, consistent wall tolerances maintain precise clearances for optimal performance.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii found on performance crankshafts.

Specifications

  • Size Options: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Minimum Standard Shaft Size: 2.0465" / 51.980 mm
  • Maximum Standard Shaft Size: 2.0472" / 52.000 mm
  • Minimum Standard Tunnel Size: 2.1662" / 55.021 mm
  • Maximum Standard Tunnel Size: 2.1667" / 55.034 mm
  • Maximum Wall Thickness at Crown: 0.0591" / 1.500 mm
  • Maximum Overall Length: 0.669" / 17.00 mm

Fitment

This rod bearing set is compatible with the following Mazda models:

  • Mazda CX-7 (2007-2012)
  • Mazda 3 (2004-2021)
  • Mazda 6 (2003-2018)

Ensure your engine is equipped with the right components for optimal performance with the ACL 4B8172H-.025 rod bearing set, designed for those who demand precision and reliability in their builds.

Other Part Numbers:
ACL #acl4B8172H-.025

Proposition 65

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

Vehicle
2007-2012
 Mazda CX-7
2004-2021
 Mazda Mazda 3
2003-2018
 Mazda Mazda 6

ACL Banner

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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