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ACL Chevrolet V8 265/283/302/327 .20mm Oversized Main Bearing Set 55-67 Trimetal - 5M429P-20
ACL Chevrolet V8 265/283/302/327 .20mm Oversized Main Bearing Set 55-67 Trimetal - 5M429P-20 - Image 2 ACL Chevrolet V8 265/283/302/327 .20mm Oversized Main Bearing Set 55-67 Trimetal - 5M429P-20 - Image 2

ACL 5M429P-20 Main Bearing Set for Chevrolet V8 Engines

The ACL 5M429P-20 Main Bearing Set is engineered specifically for high-performance applications in Chevrolet V8 engines, specifically the 265, 283, 302, and 327 cubic inch variants. This set features advanced metallurgy and precision design, making it a reliable choice for those looking to optimize their engine's performance under demanding conditions.

Key Features

  • Tri-metal construction with hardened steel backs enhances durability and support for the bearing lining.
  • Reduced thickness overlay plate improves fatigue resistance, making it ideal for high RPM applications.
  • Increased crush for better retention within the housing, ensuring stability during operation.
  • Elimination of flash plating on the back promotes effective heat transfer and maximizes grip between the bearings and housing.
  • 3/4 grooved design optimizes load distribution and enhances oil flow to connecting rod bearings.
  • Consistent wall tolerances help maintain precise clearances for improved performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Size: 0.20mm Oversized
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 2.2983 in (58.377 mm)
  • Max Standard Shaft Size: 2.2993 in (58.402 mm)
  • Min Standard Tunnel Size: 2.4906 in (63.261 mm)
  • Max Standard Tunnel Size: 2.4916 in (63.287 mm)
  • Max Wall at Crown: 0.0954 in (2.423 mm)
  • Max Overall Length: 0.8067 in (20.49 mm)

Fitment

This main bearing set is compatible with the following Chevrolet V8 engines:

  • Chevrolet V8 265
  • Chevrolet V8 283
  • Chevrolet V8 302
  • Chevrolet V8 327

Other Part Numbers:
ACL #acl5M429P-20

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Vehicle
1986-2001
 Acura Integra
1975-1996, 2000-2017
 Chevrolet Caprice
1975-1982, 1984-2013
 Chevrolet Corvette

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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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