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ACL Chevrolet V8 305-350-400 Race Series Standard Size Conrod Bearing Set 8B663H-STD - 8B663H-STD
ACL Chevrolet V8 305-350-400 Race Series Standard Size Conrod Bearing Set 8B663H-STD - 8B663H-STD - Image 3 ACL Chevrolet V8 305-350-400 Race Series Standard Size Conrod Bearing Set 8B663H-STD - 8B663H-STD - Image 2 ACL Chevrolet V8 305-350-400 Race Series Standard Size Conrod Bearing Set 8B663H-STD - 8B663H-STD - Image 3

ACL 8B663H-STD Race Series Standard Size Conrod Rod Bearing Set

The ACL 8B663H-STD conrod rod bearing set is engineered for high-performance applications, specifically designed to meet the demands of racing and spirited driving. This set is part of ACL's Race Series, known for its advanced metallurgy and precise engineering that ensures reliability under extreme conditions.

Key Features

  • Constructed with a high-strength overlay plate that features a reduced thickness, enhancing fatigue resistance for higher RPM operations.
  • Includes hardened steel backs on all rod bearings, providing improved support for the bearing lining and ensuring secure retention within the housing.
  • Designed with increased crush to enhance bearing retention, minimizing the risk of movement during operation.
  • Flash plating has been eliminated from the back of the bearings, which improves heat transfer and maximizes grip between the bearings and their housing.
  • Increased eccentricity compensates for bore distortion at high RPM, facilitating the formation of hydrodynamic oil films for optimal lubrication.
  • Features 3/4 grooved main bearings that optimize the load-carrying surface area and enhance oil flow to the conrod bearings.
  • Manufactured with tight, consistent wall tolerances to maintain precise clearances, crucial for performance applications.
  • Enlarged ID chamfers are included where necessary to accommodate large fillet radii on performance crankshafts.

Specifications

  • Size: STD, 001, 009, 010, 011, 020
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Tri-metal with Hardened Steel Backs
  • Min Std Shaft Size: 2.099 in / 53.315 mm
  • Max Std Shaft Size: 2.1 in / 53.34 mm
  • Min Std Tunnel Size: 2.2247 in / 56.507 mm
  • Max Std Tunnel Size: 2.2252 in / 56.52 mm
  • Max Wall at Crown: 0.0619 in / 1.572 mm
  • Max Overall Length: 0.8366 in / 21.25 mm

Installation Notes

  • Specifically designed for use with a 53.34 mm journal, ensuring a precise fit for optimal performance.

Other Part Numbers:
ACL #acl8B663H-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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