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  See more parts for Chevrolet Avalanche
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ACL Chevrolet V8 396/402/427/454 .30mm Oversized Main Bearing Set 1965-2000 - 5M829P-30
ACL Chevrolet V8 396/402/427/454 .30mm Oversized Main Bearing Set 1965-2000 - 5M829P-30 - Image 2 ACL Chevrolet V8 396/402/427/454 .30mm Oversized Main Bearing Set 1965-2000 - 5M829P-30 - Image 2

ACL 5M829P-30 Main Bearing Set

The ACL 5M829P-30 is a high-performance main bearing set designed specifically for the Chevrolet V8 engines, including the 396, 402, 427, and 454 models. Engineered with precision and care, these bearings are crafted to meet the demands of both street and track applications, ensuring durability and reliability under various driving conditions.

Features

  • High strength overlay plate that enhances fatigue resistance, making it ideal for high RPM scenarios.
  • Hardened steel backs on the rod bearings provide superior support and retention within the housing.
  • Increased crush allows for better bearing retention, which is crucial during intense driving.
  • Elimination of flash plating on the back of the bearings improves heat transfer, maximizing performance.
  • Designed with increased eccentricity to tackle bore distortion at high RPM, helping maintain oil film integrity.
  • 3/4 grooved main bearings optimize load-carrying surface area and promote oil flow to conrod bearings.
  • Tight wall tolerances ensure consistent clearances, which is essential for engine efficiency.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Size: .30mm Oversized
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Tri-metal with hardened steel backs
  • Min Std Shaft Size: 2.2482 in / 57.104 mm
  • Max Std Shaft Size: 2.249 in / 57.125 mm
  • Min Std Tunnel Size: 2.4412 in / 62.006 mm
  • Max Std Tunnel Size: 2.442 in / 62.027 mm
  • Max Wall at Crown: 0.0957 in / 2.431 mm
  • Max Overall Length: 0.885 in / 22.48 mm

Customer Feedback

"I installed the ACL 5M829P-30 bearings in my 454, and I couldn't be happier. The fit was perfect, and I noticed a smoother operation right away. Definitely worth the investment!" - Mike R.

"These bearings hold up well under pressure. I've taken my car to the track multiple times, and they've performed flawlessly. Highly recommend for anyone looking for reliable performance." - Sarah T.

Note

Currently, there isn't detailed fitment information available beyond the specified Chevrolet V8 models. Always verify compatibility with your specific engine setup before purchase.

Other Part Numbers:
ACL #acl5M829P-30

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2007-2013
 Chevrolet Avalanche
2002-2006
 Chevrolet Avalanche 1500
2002-2006
 Chevrolet Avalanche 2500
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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