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  See more parts for Acura Integra
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ACL High Performance Rod Bearing Set 0.25mm Oversized for Acura Honda K20A2 K24A - 4B1972H-.25
ACL High Performance Rod Bearing Set 0.25mm Oversized for Acura Honda K20A2 K24A - 4B1972H-.25 - Image 2 ACL High Performance Rod Bearing Set 0.25mm Oversized for Acura Honda K20A2 K24A - 4B1972H-.25 - Image 2

ACL 4B1972H-.25 Rod Bearing Set

If you're looking to enhance the performance of your Acura or Honda with a K20A2 or K24A engine, the ACL 4B1972H-.25 rod bearing set could be just what you need. Engineered with a focus on durability and performance, these bearings are designed to meet the demands of high RPM conditions, making them a popular choice among enthusiasts.

Features

  • High strength overlay plate that improves fatigue properties through reduced thickness.
  • Hardened steel backs on all rod bearings enhance support for the lining and assist with retention in the housing.
  • Increased crush for better bearing retention, ensuring they stay in place during operation.
  • Elimination of flash plating on the back 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 wall tolerances help maintain consistent clearances for better engine performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Specifications

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

Customer Feedback

Many users have reported significant improvements in their engine's responsiveness and performance after installing the ACL 4B1972H-.25 bearings. One customer noted, "After switching to these bearings, my K20A2 runs smoother at higher RPMs, and I can really feel the difference in power delivery." Another mentioned, "Installation was straightforward, and the quality feels top-notch. Definitely a solid upgrade for anyone serious about their build."

Fitment

This rod bearing set is specifically designed for use in Acura and Honda K20A2 and K24A engines, ensuring a precise fit and reliable performance.

Other Part Numbers:
ACL #acl4B1972H-.25

Proposition 65

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

Vehicle
1986-2001
 Acura Integra

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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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