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  See more parts for Chevrolet Bel Air
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ACL Chevrolet V8 396/402/427/454 .40mm Oversized Trimetal Rod Bearing Set 1965-1968 - 8B743P-40
ACL Chevrolet V8 396/402/427/454 .40mm Oversized Trimetal Rod Bearing Set 1965-1968 - 8B743P-40 - Image 2 ACL Chevrolet V8 396/402/427/454 .40mm Oversized Trimetal Rod Bearing Set 1965-1968 - 8B743P-40 - Image 2

ACL 8B743P-40 Race Series Engine Bearings

If you’re looking to enhance the performance of your classic Chevy, the ACL 8B743P-40 Race Series Engine Bearings are engineered to meet the demands of high RPM driving. These Trimetal engine bearings combine advanced design and metallurgy, making them a perfect upgrade for enthusiasts who want reliability and performance in their beloved vehicles.

Why Choose ACL Race Series Bearings?

These bearings are specifically designed to withstand the rigors of higher RPM conditions, making them suitable for a variety of 4, 6, and 8-cylinder applications. Whether you're restoring a classic or building a performance engine, these bearings are a crucial component for ensuring longevity and efficiency.

Key Features

  • High-strength overlay plate with reduced thickness for improved fatigue resistance.
  • Hardened steel backs on all rod bearings enhance support and retention.
  • Increased crush for superior bearing retention and stability.
  • Elimination of flash plating on the back improves heat transfer and grip.
  • Increased eccentricity to counteract bore distortion at high RPMs, aiding hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight wall tolerances ensure consistent clearances for better performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Size Options: STD, 001, 009, 010, 011, 020
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 2.199 in / 55.855 mm
  • Max Standard Shaft Size: 2.2 in / 55.88 mm
  • Min Standard Tunnel Size: 2.3247 in / 59.047 mm
  • Max Standard Tunnel Size: 2.3252 in / 59.06 mm
  • Max Wall at Crown: 0.0619 in / 1.572 mm
  • Max Overall Length: 0.889 in / 22.58 mm

Fitment

The ACL 8B743P-40 bearings are compatible with the following Chevrolet models:

  • Chevrolet Bel Air (1950-1975 & 1981)
  • Chevrolet Corvette (1975-1982 & 1984-2013)
  • Chevrolet Impala (1975-1985 & 1994-1996 & 2000-2020)

Customer Feedback

One happy Chevrolet Corvette owner shared, "After installing the ACL Race Series bearings in my 1980 Corvette, I noticed a significant improvement in engine response, especially during high RPMs. They fit perfectly, and I feel more confident pushing my engine to its limits." Another Chevrolet Bel Air enthusiast remarked, "These bearings gave my engine the reliability it needed for weekend track days. No more worrying about bearing failure!"

Upgrade your engine with the ACL 8B743P-40 Race Series Engine Bearings and experience the difference in performance and durability that comes from a trusted name in automotive components.

Other Part Numbers:
ACL #acl8B743P-40

Proposition 65

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

Vehicle
1950-1975, 1981
 Chevrolet Bel Air
1975-1982, 1984-2013
 Chevrolet Corvette
1975-1985, 1994-1996, 2000-2020
 Chevrolet Impala

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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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