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ACL Acura B17A1/B18A1/B18B1 Standard Size High Performance Rod Bearing Set with Extra Oil Clearance - 4B1946HX-STD
ACL Acura B17A1/B18A1/B18B1 Standard Size High Performance Rod Bearing Set with Extra Oil Clearance - 4B1946HX-STD - Image 2 ACL Acura B17A1/B18A1/B18B1 Standard Size High Performance Rod Bearing Set with Extra Oil Clearance - 4B1946HX-STD - Image 2

ACL 4B1946HX-STD Rod Bearing Set

The ACL 4B1946HX-STD rod bearing set is engineered for performance applications, specifically designed to meet the demands of high RPM conditions. These bearings utilize advanced metallurgy and precision engineering to ensure reliability and efficiency in your engine's operation.

Key Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings improve support and retention within the housing.
  • Increased crush enhances bearing retention, ensuring stability under load.
  • Elimination of flash plating on the back of the bearings optimizes heat transfer and grip within the housing.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings maximize load-carrying surface area and oil flow to conrod bearings.
  • Tight, consistent wall tolerances maintain precise clearances for optimal performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring compatibility.

Specifications

  • Size: STD
  • Oil Clearance: +0.001" Extra
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 1.7709 in / 44.98 mm
  • Max Std Shaft Size: 1.7717 in / 45 mm
  • Min Std Tunnel Size: 1.8898 in / 48 mm
  • Max Std Tunnel Size: 1.8906 in / 48.02 mm
  • Max Wall at Crown: 0.0587 in / 1.491 mm
  • Max Overall Length: 0.7677 in / 19.5 mm

For those looking to enhance their engine's performance, the ACL 4B1946HX-STD rod bearing set offers the reliability and precision needed to push your engine to its limits.

Other Part Numbers:
ACL #acl4B1946HX-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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