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ACL Honda/Acura Race Series Rod Bearing Set 4B1972HD-STD for K20A2/K24A 2.0L/2.4L Engines - 4B1972HD-STD
ACL Honda/Acura Race Series Rod Bearing Set 4B1972HD-STD for K20A2/K24A 2.0L/2.4L Engines - 4B1972HD-STD - Image 2 ACL Honda/Acura Race Series Rod Bearing Set 4B1972HD-STD for K20A2/K24A 2.0L/2.4L Engines - 4B1972HD-STD - Image 2

ACL 4B1972HD-STD Race Series Rod Bearing Set

The ACL 4B1972HD-STD is a thoughtfully engineered rod bearing set that truly stands out for those who demand reliability and performance from their engine components. Designed specifically for high-performance applications, this set is crafted to meet the needs of serious automotive enthusiasts, particularly those working with Honda and Acura vehicles.

Key Features:

  • High strength overlay plate with a reduced thickness, enhancing fatigue properties for better durability.
  • Hardened steel backs on all rod bearings, providing improved support for the bearing lining and ensuring secure retention within the housing.
  • Increased crush for enhanced bearing retention, ensuring that the bearings stay in place during high-stress conditions.
  • Elimination of flash plating on the back of the bearings, which improves heat transfer and maximizes grip between the bearing and its housing.
  • Increased eccentricity to counteract bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings that optimize load-carrying surface area and oil flow to the conrod bearings.
  • Tight and consistent wall tolerances to help maintain proper clearances for better performance.
  • Enlarged ID chamfers on bearing edges to accommodate large fillet radii on performance crankshafts.

Specifications:

  • Size: STD
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with 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: 2.0088 in / 51.024 mm
  • Max Overall Length: 0.6063 in / 15.40 mm

Customer Feedback:

"I installed the ACL 4B1972HD-STD bearings in my Honda Accord, and the difference was noticeable. The engine runs smoother at high RPMs, and I feel more confident pushing it on the track. Definitely worth the investment!" - Mike T.

"These bearings are solid. I had some concerns about fitting, but they went in perfectly. The quality feels top-notch, and I appreciate the attention to detail in the design." - Sarah L.

Fitment:

This rod bearing set is compatible with:

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

Whether you're building a race engine or just looking to upgrade your daily driver, the ACL 4B1972HD-STD rod bearing set offers the reliability and performance you need. Invest in your engine's longevity and performance with this high-quality bearing set.

Other Part Numbers:
ACL #acl4B1972HD-STD

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

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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