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ACL High Performance Rod Bearing Set 4B1606H-STD for Audi A3/A4 1996-2020, Tri-metal - 4B1606H-STD
ACL High Performance Rod Bearing Set 4B1606H-STD for Audi A3/A4 1996-2020, Tri-metal - 4B1606H-STD - Image 2 ACL High Performance Rod Bearing Set 4B1606H-STD for Audi A3/A4 1996-2020, Tri-metal - 4B1606H-STD - Image 2

ACL 4B1606H-STD High Performance Rod Bearing Set

The ACL 4B1606H-STD rod bearing set is engineered for those who demand precision and durability in high-performance applications. This set features a unique tri-metal construction that combines advanced metallurgy with meticulous engineering to meet the rigorous demands of high RPM conditions.

Key Features

  • High strength overlay plate with reduced thickness enhances fatigue resistance, making it ideal for performance-driven engines.
  • Hardened steel backs provide superior support for the bearing lining, ensuring better retention within the housing.
  • Increased crush design improves bearing retention, crucial for maintaining stability under extreme conditions.
  • Elimination of flash plating on the back enhances heat transfer, optimizing performance by maximizing grip between the bearing and its housing.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the connecting rod bearings.
  • Tight wall tolerances ensure consistent clearances, critical for engine performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, enhancing compatibility with aftermarket components.

Specifications

  • Size: STD
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Standard Shaft Size: 1.8802 in / 47.758 mm
  • Max Standard Shaft Size: 1.8810 in / 47.778 mm
  • Min Standard Tunnel Size: 1.9921 in / 50.600 mm
  • Max Standard Tunnel Size: 1.9929 in / 50.619 mm
  • Max Wall at Crown: 0.0553 in / 0.0553 mm
  • Max Overall Length: 0.0553 in / 19.00 mm

Confirmed Fitment

  • Audi A3 (1998-2020)
  • Audi A3 Quattro (2013 & 2015-2020)
  • Audi A4 (1996-2013 & 2015-2022)
  • Audi A4 Quattro (2017-2019)

Engineered for performance and longevity, the ACL 4B1606H-STD rod bearing set is a critical upgrade for Audi enthusiasts looking to enhance their engine's reliability and efficiency. Ensure your engine maintains optimal performance with this high-quality bearing set.

Other Part Numbers:
ACL #acl4B1606H-STD

Proposition 65

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

Vehicle
1998-2020
 Audi A3
2013, 2015-2020
 Audi A3 Quattro
1996-2013, 2015-2022
 Audi A4
2017-2019
 Audi A4 Quattro

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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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