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ACL Chevrolet V8 305-350-400 Race Series Con Rod Bearing Set STD for Avalanche, Bel Air, Express - 8B663HD-STD
ACL Chevrolet V8 305-350-400 Race Series Con Rod Bearing Set STD for Avalanche, Bel Air, Express - 8B663HD-STD - Image 2 ACL Chevrolet V8 305-350-400 Race Series Con Rod Bearing Set STD for Avalanche, Bel Air, Express - 8B663HD-STD - Image 2

If you're diving into the world of performance engines, you know that the right bearings can make all the difference. That’s where these ACL Race Series Engine Bearings come into play. They’re not just any bearings; they’re designed for those high RPM moments when you really need your engine to perform. Whether you're working on a 4, 6, or 8-cylinder setup, these bearings have got you covered.

So, what makes these bearings stand out? For starters, they've got a high-strength overlay plate that's thinner than what you usually find. This means better fatigue resistance, which is crucial when you're pushing your engine to its limits. Plus, the hardened steel backs on the rod bearings provide solid support for the lining, making sure they stay put in the housing even under intense conditions.

  • With increased crush, these bearings hold onto their spot better, so you won’t have to worry about them shifting around.
  • No flash plating on the back means heat transfer is improved, keeping things cooler and more efficient.
  • They’ve got increased eccentricity too, which helps deal with bore distortion at those high RPMs and aids in forming the hydrodynamic oil films you need.
  • The 3/4 grooved main bearings optimize the load carrying surface area and oil flow to the conrod bearings, ensuring everything runs smoothly.
  • Consistent wall tolerances help maintain clearances, so you get reliable performance every time.
  • And let’s not forget the enlarged ID chamfers on the edges, designed to fit those performance crankshafts perfectly.

Now, let’s talk specs. These bearings are available in sizes STD, 001, 009, 010, 011, and 020, with standard oil clearance. They come in upper and lower half types, made from a tough blend of aluminum, tin, and silicon. The dimensions are precise, with a minimum standard shaft size of 2.099 inches and a maximum of 2.1 inches. The tunnel sizes range from 2.2247 inches to 2.2252 inches, with a max wall at the crown of 0.0619 inches and an overall length of 0.8366 inches.

These bearings are a perfect fit for a range of Chevy models, including:

  • Chevrolet Avalanche (2007-2013)
  • Chevrolet Avalanche 1500 (2002-2006)
  • Chevrolet Avalanche 2500 (2002-2006)
  • Chevrolet Bel Air (1950-1975 & 1981)
  • Chevrolet Express (1996-2020)

So, if you’re looking to push your engine further and need bearings that can hang with you, these ACL Race Series Engine Bearings are worth considering. They’re built for the real deal, not just for show.

Other Part Numbers:
ACL #acl8B663HD-STD

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
1950-1975, 1981
 Chevrolet Bel Air
1996-2020
 Chevrolet Express

ACL Banner

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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