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ACL Honda Acura B18C1/B18C5 VTEC Standard Size High Performance Rod Bearing Set - 4B1925H-STD
ACL Honda Acura B18C1/B18C5 VTEC Standard Size High Performance Rod Bearing Set - 4B1925H-STD - Image 2 ACL Honda Acura B18C1/B18C5 VTEC Standard Size High Performance Rod Bearing Set - 4B1925H-STD - Image 2

ACL 4B1925H-STD High Performance Rod Bearing Set

The ACL 4B1925H-STD is a high-performance rod bearing set designed specifically for those who demand reliability and durability in their engine components. Crafted with a unique blend of design, metallurgy, and engineering, these bearings are engineered to excel in high RPM conditions, making them a solid choice for performance enthusiasts.

Features

  • High strength overlay plate with reduced thickness, enhancing fatigue properties for long-lasting performance.
  • Hardened steel backs on all rod bearings improve support and retention within the housing.
  • Increased crush for better bearing retention, ensuring stability under intense conditions.
  • Elimination of flash plating on the back of the bearings enhances heat transfer and grip.
  • Increased eccentricity helps compensate for bore distortion at high RPM and aids in hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight wall tolerances maintain consistent clearances for optimal performance.
  • Enlarged ID chamfers 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: 1.7707 in / 44.976 mm
  • Max Std Shaft Size: 1.7717 in / 45 mm
  • Min Std Tunnel Size: 1.8898 in / 48 mm
  • Max Std Tunnel Size: 1.8898 in / 48 mm
  • Max Wall at Crown: 1.8898 in / 48 mm
  • Max Overall Length: 0.6890 in / 17.5 mm

Customer Feedback

Customers have appreciated the performance of the ACL 4B1925H-STD bearings, noting that they provide a noticeable improvement in engine response and reliability. One user mentioned, "I installed these bearings in my Honda and they’ve held up beautifully under high RPMs. No issues so far!" Another added, "The fit was perfect, and I love the peace of mind knowing they can handle the stress of racing." Overall, these bearings have garnered positive reviews for their quality and effectiveness in demanding applications.

Other Part Numbers:
ACL #acl4B1925H-STD

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⚠ WARNING: Cancer and Reproductive Harm
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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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