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ACL Chevrolet V8 265/283/302/327 .01mm Oversized Main Bearing Set 55-67, Tri-Metal
$56.95

ACL 5M429P-01 Main Bearing Set for Chevrolet V8 Engines

The ACL 5M429P-01 Main Bearing Set is engineered specifically for Chevrolet V8 engines, including the 265, 283, 302, and 327 models from 1955 to 1967. This set utilizes advanced materials and engineering techniques to provide exceptional performance and reliability under high RPM conditions.

Key Features

  • Constructed with a high-strength tri-metal overlay, designed to enhance fatigue resistance and ensure longevity in demanding applications.
  • Hardened steel backs on all bearings improve support for the lining, enhancing retention within the housing.
  • Increased crush design promotes better bearing retention and stability during operation.
  • Elimination of flash plating enhances heat transfer, improving performance and grip between the bearing and housing.
  • Optimized eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films for superior lubrication.
  • 3/4 grooved configuration maximizes oil flow and load-carrying surface area, ensuring efficient lubrication to connecting rod bearings.
  • Tight tolerances maintain consistent clearances, critical for high-performance builds.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts, enhancing compatibility and performance.

Specifications

  • Sizes Available: STD, .001, .010
  • 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 Thickness at Crown: 0.0954 in / 2.423 mm
  • Max Overall Length: 0.8067 in / 20.49 mm

Fitment

  • Chevrolet Bel Air: 1950-1969, 1971-1975, 1981
  • Chevrolet Caprice: 1975-1996, 2000-2017
  • Chevrolet Corvette: 1975-1982, 1984-2013

For those looking to upgrade their engine's reliability and performance, the ACL 5M429P-01 Main Bearing Set is a solid choice, delivering the quality and precision required for high-performance builds.

Other Part Numbers:
ACL #acl5M429P-01

Proposition 65

WARNING: Cancer and Reproductive Harm
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Vehicle
1950-1969, 1971-1975, 1981
Chevrolet Bel Air
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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