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  See more parts for Acura Integra
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ACL Honda Acura B17A1/B18A1/B18B1 .25mm Oversized Rod Bearing Set 1986-2001 - 4B1946A-.25
ACL Honda Acura B17A1/B18A1/B18B1 .25mm Oversized Rod Bearing Set 1986-2001 - 4B1946A-.25 - Image 2

ACL 4B1946A-.25 Oversized Rod Bearing Set

If you're on the lookout for a reliable rod bearing set for your Honda or Acura, the ACL 4B1946A-.25 might just be what you need. This set is designed specifically for high-performance applications, particularly suited for the B17A1, B18A1, and B18B1 engines. Customers have noted significant improvements in engine responsiveness and overall performance after installation.

Features:

  • High-strength overlay plate with reduced thickness to enhance fatigue resistance, making it ideal for high RPM use.
  • Hardened steel backs on all rod bearings provide extra support for the bearing lining and ensure better retention within the housing.
  • Increased crush for improved bearing retention, which helps maintain stability under pressure.
  • No flash plating on the back of the bearings enhances heat transfer and maximizes grip between the bearings and their housing.
  • Increased eccentricity helps compensate for bore distortion at high RPMs, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize the load-carrying surface area and promote better oil flow to the conrod bearings.
  • Tight wall tolerances ensure consistent clearances, which is crucial for engine performance.
  • Enlarged ID chamfers on bearing edges accommodate larger fillet radii on performance crankshafts.

Specifications:

  • Size: 0.25mm Oversized
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Aluminum, Tin, and Silicon
  • Min Standard Shaft Size: 1.7709 in / 44.98 mm
  • Max Standard Shaft Size: 1.7717 in / 45 mm
  • Min Standard Tunnel Size: 1.8898 in / 48 mm
  • Max Standard Tunnel Size: 1.8907 in / 48.024 mm
  • Max Wall at Crown: 0.0592 in / 1.504 mm
  • Max Overall Length: 0.7677 in / 19.5 mm

Customer Feedback:

Many users have expressed satisfaction with the ACL 4B1946A-.25 bearings, noting that they fit perfectly in their engines and provide a noticeable difference in performance. One customer mentioned, "After switching to these bearings, my engine feels much more responsive, especially at higher RPMs." Another user highlighted the quality of the materials, stating, "You can tell these are built to last. They’ve held up well under stress." Overall, the consensus seems to be that these bearings are a solid investment for anyone looking to enhance their engine's performance.

Other Part Numbers:
ACL #acl4B1946A-.25

Proposition 65

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

Vehicle
1986-1989
 Acura Integra
1983-2001
 Honda Prelude

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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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