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ACL Chevrolet V8 Special Racing Rod Bearings 1.8890in Journal for Custom Engines - 1B1663H-STD
ACL Chevrolet V8 Special Racing Rod Bearings 1.8890in Journal for Custom Engines - 1B1663H-STD - Image 2

ACL 1B1663H-STD Engine Bearings

The ACL 1B1663H-STD engine bearings are designed with a unique blend of engineering and metallurgy, making them a solid choice for high-performance applications. These bearings are crafted to handle the demands of racing and performance driving, particularly in custom engines with a 1.8890-inch journal size.

Features

  • High strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings provide better support for the bearing lining, ensuring they stay securely in place.
  • Increased crush enhances bearing retention, giving you peace of mind during high-stress conditions.
  • Flash plating has been eliminated on the back of the bearings, which improves heat transfer and maximizes grip in the housing.
  • Increased eccentricity helps to counteract bore distortion at high RPM, facilitating the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize the load-carrying surface area and enhance oil flow to the conrod bearings.
  • Tight tolerances ensure consistent clearances, which is critical for performance applications.
  • Enlarged ID chamfers on bearing edges accommodate larger fillet radii on performance crankshafts.

Specifications

  • Type: STD, 01, 10
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Tri-metal with hardened steel backs
  • Min Std Shaft Size: 1.8885" (47.968 mm)
  • Max Std Shaft Size: 1.8890" (47.981 mm)
  • Min Std Tunnel Size: 2.0150" (51.181 mm)
  • Max Std Tunnel Size: 2.3233" (59.013 mm)
  • Max Wall at Crown: 0.0625" (1.588 mm)
  • Max Overall Length: 0.792" (20.12 mm)

Customer Feedback

Many users have praised the 1B1663H-STD bearings for their performance under extreme conditions. One customer noted, "I put these bearings in my custom engine build, and they held up beautifully during my last race. The fit was perfect, and I felt a noticeable difference in response." Another user mentioned, "I was impressed by how well these bearings maintained their integrity even at high RPMs. Definitely a worthwhile investment for serious racers."

Whether you’re building a custom engine or just looking to upgrade your current setup, the ACL 1B1663H-STD bearings are worth considering. They combine durability and performance, making them a reliable choice for those who demand the best from their engine components.

Other Part Numbers:
ACL #acl1B1663H-STD

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Vehicle
2009-2021
 Nissan GTR

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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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