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  See more parts for Nissan Primera
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ACL Nissan 4 1597-1809cc CA16/18/20 Standard Size Main Bearing Set 82-90 - 5M1633A-STD
ACL Nissan 4 1597-1809cc CA16/18/20 Standard Size Main Bearing Set 82-90 - 5M1633A-STD - Image 2 ACL Nissan 4 1597-1809cc CA16/18/20 Standard Size Main Bearing Set 82-90 - 5M1633A-STD - Image 2

ACL 5M1633A-STD Standard Size Main Bearing Set

The ACL 5M1633A-STD Main Bearing Set is engineered for high-performance applications, specifically designed for Nissan engines. This set is a part of ACL's renowned Race Series, utilizing advanced metallurgy and precision engineering to meet the demands of automotive enthusiasts who push their engines to the limit.

Key Features

  • High Strength Overlay: Features a reduced thickness overlay plate that enhances fatigue resistance, crucial for high RPM operation.
  • Hardened Steel Backs: All rod bearings are equipped with hardened steel backs, providing improved support for the bearing lining and ensuring reliable retention within the housing.
  • Enhanced Bearing Retention: Increased crush for better bearing retention, minimizing the risk of displacement under extreme conditions.
  • Optimized Heat Transfer: The elimination of flash plating on the back of the bearings enhances heat dissipation, maximizing grip between the bearings and their housing.
  • Increased Eccentricity: Designed to compensate for bore distortion at high RPMs, facilitating the formation of hydrodynamic oil films.
  • 3/4 Grooved Design: Main bearings feature a 3/4 groove to optimize load-carrying surface area and improve oil flow to the connecting rod bearings.
  • Consistent Wall Tolerances: Tight tolerances help maintain consistent clearances, critical for engine performance.
  • Enlarged ID Chamfers: Chamfers on bearing edges accommodate large fillet radii found on performance crankshafts.

Specifications

  • Size: STD
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with Hardened Steel Backs
  • Min Standard Shaft Size: 2.0847 in / 52.951 mm
  • Max Standard Shaft Size: 2.0852 in / 52.964 mm
  • Min Standard Tunnel Size: 2.2305 in / 56.654 mm
  • Max Standard Tunnel Size: 2.231 in / 56.667 mm
  • Max Wall at Crown: 0.0720 in / 1.830 mm
  • Max Overall Length: 0.787 in / 20.00 mm

Fitment

This bearing set is confirmed to fit the following Nissan models:

  • Nissan Primera (1991-2007)
  • Nissan Pulsar (1987-2005)

For those looking to maximize their engine's performance and reliability, the ACL 5M1633A-STD Main Bearing Set is a solid choice that combines advanced design features with proven durability.

Other Part Numbers:
ACL #acl5M1633A-STD

Proposition 65

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

Vehicle
1991-2007
 Nissan Primera
1987-2005
 Nissan Pulsar

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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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