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ACL Ford Mazda 4 2.3L DOHC Duratec Standard Size High Performance Rod Bearing Set - 4B8170HX-STD
ACL Ford Mazda 4 2.3L DOHC Duratec Standard Size High Performance Rod Bearing Set - 4B8170HX-STD - Image 2 ACL Ford Mazda 4 2.3L DOHC Duratec Standard Size High Performance Rod Bearing Set - 4B8170HX-STD - Image 2

ACL 4B8170HX-STD High Performance Rod Bearing Set

The ACL 4B8170HX-STD rod bearing set is engineered for performance-driven applications, specifically tailored for the Ford and Mazda 2.3L DOHC Duratec engines. These bearings utilize advanced metallurgy and design principles to ensure durability and reliability under high RPM conditions.

Key Features

  • Constructed with a high-strength overlay plate that features reduced thickness, enhancing fatigue resistance.
  • Hardened steel backs on all rod bearings provide superior support for the bearing lining, ensuring secure retention within the housing.
  • Increased crush design improves bearing retention, minimizing the risk of movement during operation.
  • Removal of flash plating on the back of the bearings enhances heat transfer and maximizes grip between the bearings and their housing.
  • Increased eccentricity accommodates bore distortion at elevated RPMs, promoting the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize the load-carrying surface area and oil flow to the connecting rod bearings.
  • Tight, consistent wall tolerances help maintain precise clearances, crucial for high-performance applications.
  • Enlarged ID chamfers on bearing edges are designed to fit performance crankshafts with large fillet radii.

Specifications

  • Type: Standard (STD)
  • Oil Clearance: +0.001" Extra
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 1.9677" / 49.980 mm
  • Max Standard Shaft Size: 1.9685" / 50.000 mm
  • Min Standard Tunnel Size: 2.0876" / 53.025 mm
  • Max Standard Tunnel Size: 2.0884" / 53.045 mm
  • Max Wall at Crown: 0.0586" / 1.487 mm
  • Max Overall Length: 0.661" / 16.80 mm

Confirmed Fitment

The ACL 4B8170HX-STD rod bearing set is compatible with the following applications:

  • Ford Escape (2001-2018)
  • Mazda 3 (2004-2021)

Other Part Numbers:
ACL #acl4B8170HX-STD

Proposition 65

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

Vehicle
2001-2018
 Ford Escape
2004-2021
 Mazda Mazda 3

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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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