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ACL High Performance Rod Bearing Set for Acura Honda K20A3 98+ Honda F23A STD Size - 4B1972H-STD
ACL High Performance Rod Bearing Set for Acura Honda K20A3 98+ Honda F23A STD Size - 4B1972H-STD - Image 2 ACL High Performance Rod Bearing Set for Acura Honda K20A3 98+ Honda F23A STD Size - 4B1972H-STD - Image 2

ACL 4B1972H-STD Race Series Engine Bearings

If you're pushing your engine to its limits, you need engine bearings that can keep up. The ACL 4B1972H-STD Race Series Engine Bearings are engineered for high-performance applications, making them an essential upgrade for your vehicle. Designed to handle higher RPMs, these trimetal bearings are compatible with a variety of popular 4, 6, and 8-cylinder engines, ensuring that you have the right fit for your ride.

Fitment

These bearings are designed to fit a range of vehicles, providing a reliable solution for those who demand performance. Whether you're tuning a turbocharged WRX or building a high-revving Honda K-series, the ACL 4B1972H-STD bearings deliver the durability and performance you need.

Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings provide superior support and retention.
  • Increased crush for improved bearing retention, ensuring stability under pressure.
  • Eliminates flash plating on the back of the bearings for better heat transfer and grip.
  • Enhanced eccentricity compensates for bore distortion at high RPMs, aiding hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load carrying surface area and enhance oil flow to conrod bearings.
  • Tight wall tolerances maintain consistent clearances for reliable performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Technical Specifications

  • Size: STD, 025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 1.889in / 47.98 mm
  • Max Std Shaft Size: 1.8898in / 48 mm
  • Min Std Tunnel Size: 2.008in / 51.004 mm
  • Max Std Tunnel Size: 2.0088in / 51.024 mm
  • Max Wall at Crown: 2.0088in / 51.024 mm
  • Max Overall Length: 0.6063in / 15.40 mm

Customer Feedback

F150 owners have reported that after installing the ACL 4B1972H-STD bearings, their engines ran smoother and with significantly less noise, especially under heavy load. One 2020 WRX owner shared, “These bearings were a game changer for my build; they held up perfectly during my last track day, even with the increased boost pressure.”

Upgrade your engine with the ACL 4B1972H-STD Race Series Engine Bearings and experience the difference in performance and reliability. Whether on the street or the track, these bearings are built to withstand the demands of serious driving.

Other Part Numbers:
ACL #acl4B1972H-STD

Proposition 65

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

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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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