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  See more parts for Acura Integra
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ACL Honda Acura Race Series Rod Bearing Set 0.25 Oversize K20A2 K24A 1986-2020 - 4B1972HD-.25
ACL Honda Acura Race Series Rod Bearing Set 0.25 Oversize K20A2 K24A 1986-2020 - 4B1972HD-.25 - Image 2 ACL Honda Acura Race Series Rod Bearing Set 0.25 Oversize K20A2 K24A 1986-2020 - 4B1972HD-.25 - Image 2

ACL 4B1972HD-.25 Race Series Rod Bearing Set

The ACL 4B1972HD-.25 Race Series Rod Bearing Set is engineered for high-performance applications, specifically designed for Honda and Acura vehicles equipped with the 2.0L/2.4L K20A2/K24A engines. This rod bearing set features advanced metallurgy and precision engineering to meet the demands of high RPM conditions.

Key Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance for extended durability.
  • Hardened steel backs provide improved support for the bearing lining, ensuring better retention within the housing.
  • Increased crush enhances bearing retention, crucial for maintaining clearances under extreme conditions.
  • Flash plating elimination on the back of the bearings improves heat transfer and maximizes grip between the 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 the connecting rod bearings.
  • Tight and consistent wall tolerances help maintain precise clearances for improved engine performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts, ensuring compatibility with high-performance builds.

Specifications

  • Size: 0.25 Oversize
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with Hardened Steel Backs
  • Min Standard Shaft Size: 1.889 inches (47.98 mm)
  • Max Standard Shaft Size: 1.8898 inches (48 mm)
  • Min Standard Tunnel Size: 2.008 inches (51.004 mm)
  • Max Standard Tunnel Size: 2.0088 inches (51.024 mm)
  • Max Wall Thickness at Crown: 0.0591 inches (1.5 mm)
  • Max Overall Length: 0.6063 inches (15.40 mm)

Fitment

This rod bearing set is compatible with the following models:

  • Acura Integra (1986-2001)
  • Honda Accord (1986-2020)
  • Honda CR-V (1996-2020)

Investing in the ACL 4B1972HD-.25 Race Series Rod Bearing Set ensures that your engine maintains optimal performance under the most demanding conditions, making it a crucial component for any serious build.

Other Part Numbers:
ACL #acl4B1972HD-.25

Proposition 65

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

Vehicle
1986-2001
 Acura Integra
1986-2020
 Honda Accord
1996-2020
 Honda CR-V

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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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