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ACL Nissan 4 E15/E16/GA16/QG18 Standard Size Conrod Bearing Set 1983-2006 4B1620-STD - 4B1620-STD

ACL 4B1620-STD Engine Connecting Rod Bearing Set

The ACL 4B1620-STD is designed specifically for those who demand reliability and performance from their engine components. Crafted with a unique blend of design and metallurgy, these engine bearings are built to withstand the rigors of high RPM conditions, making them a solid choice for enthusiasts and everyday drivers alike.

Features

  • High strength overlay plate with reduced thickness for improved fatigue properties.
  • Hardened steel backs on all rod bearings enhance support and retention within the housing.
  • Increased crush for better bearing retention, ensuring they stay securely in place.
  • Elimination of flash plating on the back of the bearings promotes better heat transfer and grip.
  • Increased eccentricity helps compensate for bore distortion at high RPM, aiding in hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load carrying surface area and oil flow to the conrod bearings.
  • Tight and consistent wall tolerances maintain precise clearances for optimal performance.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radius on performance crankshafts.

Specifications

  • Part Number: ACL 4B1620 STD
  • No Core Charge Required
  • Parts Interchange: 1211111M20STD, 12111 11M20 STD, 05638004533, 056 38004 533

Customer Feedback

Many users have praised the durability and performance of the 4B1620-STD bearings. One customer noted, "I installed these in my Nissan and immediately felt the difference. The engine runs smoother, and I have confidence in the performance during high RPMs." Another added, "These bearings fit perfectly and have held up well under pressure. Definitely recommend if you're looking for reliability."

Whether you're a casual driver or a performance enthusiast, the ACL 4B1620-STD Engine Connecting Rod Bearing Set is a dependable choice that combines advanced engineering with practical benefits.

Other Part Numbers:
ACL #acl4B1620-STD

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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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