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ACL Nissan 4 1597-1809cc CA16/18/20 Standard Size Rod Bearing Set 4B1630A-STD - 4B1630A-STD
ACL Nissan 4 1597-1809cc CA16/18/20 Standard Size Rod Bearing Set 4B1630A-STD - 4B1630A-STD - Image 2 ACL Nissan 4 1597-1809cc CA16/18/20 Standard Size Rod Bearing Set 4B1630A-STD - 4B1630A-STD - Image 2

ACL 4B1630A-STD Rod Bearing Set

The ACL 4B1630A-STD rod bearing set is engineered for those who demand reliability and performance from their engine components. These bearings are designed with a unique blend of design and metallurgy to meet the needs of both street and performance applications. Drivers appreciate the attention to detail that ACL brings to their products, and the 4B1630A-STD is no exception.

Features:

  • High strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs provide improved support for the bearing lining and assist with retention in the housing.
  • Increased crush for better bearing retention, ensuring stability under various 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 RPMs, promoting effective hydrodynamic oil films.
  • 3/4 grooved design optimizes load-carrying surface area and oil flow to the conrod bearings.
  • Tight wall tolerances help maintain consistent clearances, crucial for engine performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications:

  • Size: STD
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 1.7701 in / 44.961 mm
  • Max Standard Shaft Size: 1.7701 in / 44.961 mm
  • Min Standard Tunnel Size: 1.8898 in / 48 mm
  • Max Standard Tunnel Size: 1.8903 in / 48.013 mm
  • Max Wall at Crown: 0.0593 in / 1.505 mm
  • Max Overall Length: 0.792 in / 20.12 mm

Customer Feedback:

Many users have shared their satisfaction with the 4B1630A-STD bearings, noting how they perform well under pressure. One customer mentioned, "I've been using ACL bearings for years, and the 4B1630A-STD did not disappoint. They fit perfectly and have held up well even in high RPM situations." Another user added, "Installation was straightforward, and I noticed an improvement in engine response right away."

Whether you're rebuilding an engine or upgrading for better performance, the ACL 4B1630A-STD rod bearing set is a dependable choice that combines quality and functionality.

Other Part Numbers:
ACL #acl4B1630A-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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