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ACL High Performance Main Bearing Set 0.25 Oversized for Nissan CA18/C20 Engines - 5M1633H-.25
ACL High Performance Main Bearing Set 0.25 Oversized for Nissan CA18/C20 Engines - 5M1633H-.25 - Image 2 ACL High Performance Main Bearing Set 0.25 Oversized for Nissan CA18/C20 Engines - 5M1633H-.25 - Image 2

ACL 5M1633H-.25 High Performance Main Bearing Set

The ACL 5M1633H-.25 Main Bearing Set is engineered for high-performance applications, specifically designed for the Nissan CA18/C20 engines. This set features advanced metallurgy and precise engineering to meet the demands of high RPM conditions, making it an ideal choice for motorsport and performance builds.

Key Features

  • Constructed with a high-strength overlay plate that has a reduced thickness, enhancing fatigue properties for durability under extreme conditions.
  • Utilizes hardened steel backs on all main bearings to provide superior support for the bearing lining, ensuring optimal retention within the housing.
  • Increased crush design improves bearing retention, minimizing the risk of movement during operation.
  • Flash plating has been removed from the back of the bearings, allowing for improved heat transfer and maximizing grip between the bearings and their housing.
  • Enhanced eccentricity compensates for bore distortion at high RPM, facilitating effective hydrodynamic oil film formation.
  • Features 3/4 grooved main bearings to optimize load-carrying surface area and oil flow to connecting rod bearings.
  • Tight and consistent wall tolerances help maintain precise clearances, essential for performance applications.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii found on performance crankshafts.

Specifications

  • Size: 0.25 Oversized
  • Oil Clearance: + Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with Hardened Steel Backs
  • Min Std Shaft Size: 2.0847 in / 52.951 mm
  • Max Std Shaft Size: 2.0852 in / 52.964 mm
  • Min Std Tunnel Size: 2.2305 in / 56.654 mm
  • Max Std 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

The ACL 5M1633H-.25 Main Bearing Set is a reliable choice for those looking to enhance the performance and longevity of their Nissan CA18/C20 engine. With its advanced design and quality materials, this set ensures that your engine maintains optimal performance under demanding conditions.

Other Part Numbers:
ACL #acl5M1633H-.25

Proposition 65

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

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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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