1-480-966-3040 Mon-Fri 8am to 5pm AZ
Performance & Aftermarket Car Parts - Vivid Racing Performance & Aftermarket Car Parts - Vivid Racing
Live Chat
Hello, Sign in My Account
Sign In
Wishlist
0
My Cart
My Cart $0.00
  See more parts for Chevrolet Bel Air
Select the year of your Chevrolet Bel Air:
ACL Trimetal Rod Bearing Set 20mm Oversized for Chevrolet V8 305/350/400 1967-2007 - 8B663P-20
ACL Trimetal Rod Bearing Set 20mm Oversized for Chevrolet V8 305/350/400 1967-2007 - 8B663P-20 - Image 2 ACL Trimetal Rod Bearing Set 20mm Oversized for Chevrolet V8 305/350/400 1967-2007 - 8B663P-20 - Image 2

ACL Race Series Engine Bearings - 8B663P-20

If you're pushing your engine to the limits, you need components that can keep up. The ACL Race Series Engine Bearings, specifically model 8B663P-20, are engineered for serious performance applications. These high-performance Trimetal engine bearings are designed to withstand the rigors of higher RPMs, making them ideal for a range of 4, 6, and 8-cylinder engines found in popular models like the Chevrolet Camaro and Caprice.

Key Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings improve support and retention.
  • Increased crush for superior bearing retention, ensuring stability under pressure.
  • Eliminates flash plating on the back for better 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, consistent wall tolerances maintain precise clearances for reliable performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Technical 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: 2.099 in / 53.315 mm
  • Max Standard Shaft Size: 2.1 in / 53.34 mm
  • Min Standard Tunnel Size: 2.2247 in / 56.507 mm
  • Max Standard Tunnel Size: 2.2252 in / 56.52 mm
  • Max Wall Thickness at Crown: 0.0619 in / 1.572 mm
  • Max Overall Length: 0.8366 in / 21.25 mm

Notes

  • Designed for a 53.34 mm journal.

Fitment

The 8B663P-20 bearings are compatible with a variety of classic and modern Chevy models:

  • Chevrolet Bel Air (1950-1975 & 1981)
  • Chevrolet Camaro (1975-2002 & 2010-2021)
  • Chevrolet Caprice (1975-1996 & 2000-2017)
  • Chevrolet El Camino (1975-1987)
  • Chevrolet Malibu (1975-1983 & 1997-2021)

Customer Feedback

Chevy Camaro owners have reported a noticeable increase in engine responsiveness after installing the ACL 8B663P-20 bearings. One user stated, "After swapping these bearings in my 2010 Camaro, I felt the engine smoother and more powerful, especially at higher RPMs. They fit perfectly with no issues during installation."

Caprice enthusiasts have echoed similar sentiments, with one owner noting, "These bearings not only improved my oil flow but also gave me the confidence to push my engine harder without worrying about wear. A must-have for any serious build!"

Upgrade your engine's performance with the ACL Race Series Engine Bearings – where precision engineering meets real-world reliability.

Other Part Numbers:
ACL #acl8B663P-20

Proposition 65

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

Vehicle
1950-1975, 1981
 Chevrolet Bel Air
1975-2002, 2010-2021
 Chevrolet Camaro
1975-1996, 2000-2017
 Chevrolet Caprice
1975-1987
 Chevrolet El Camino
1975-1983, 1997-2021
 Chevrolet Malibu

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.

Check out these other great products