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ACL High Performance Rod Bearing Set 0.025 Oversized for Nissan CA18/C20, Pulsar, Sentra - 4B1630H-.025
ACL High Performance Rod Bearing Set 0.025 Oversized for Nissan CA18/C20, Pulsar, Sentra - 4B1630H-.025 - Image 2 ACL High Performance Rod Bearing Set 0.025 Oversized for Nissan CA18/C20, Pulsar, Sentra - 4B1630H-.025 - Image 2

ACL 4B1630H-.025 High Performance Rod Bearing Set

The ACL 4B1630H-.025 is engineered for performance-focused applications, specifically designed for the Nissan CA18 and C20 engines. These rod bearings incorporate advanced metallurgy and precision engineering to meet the demands of high RPM environments, ensuring reliability and durability under extreme conditions.

Key Features

  • Tri-metal construction with hardened steel backs enhances bearing support and retention.
  • Reduced overlay thickness improves fatigue resistance, making these bearings ideal for high-performance setups.
  • Increased crush provides superior bearing retention within the housing.
  • Elimination of flash plating on the back promotes better heat transfer and grip between the bearing and housing.
  • Enhanced eccentricity compensates for bore distortion at high RPM, aiding in hydrodynamic oil film formation.
  • 3/4 grooved design optimizes load-carrying surface area and oil flow to conrod bearings.
  • Tight wall tolerances ensure consistent clearances for improved engine performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.

Specifications

  • Available Sizes: STD, .025, .50
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 1.7701 in / 44.961 mm
  • Max Standard Shaft Size: 1.7701 in / 44.961 mm
  • Min Standard Tunnel Size: 1.8898 in / 48 mm
  • Max Standard Tunnel Size: 1.8903 in / 48.013 mm
  • Max Wall Thickness at Crown: 0.0593 in / 1.505 mm
  • Max Overall Length: 0.7323 in / 18.6 mm

Confirmed Fitment

  • Nissan Pulsar: 1987-2005
  • Nissan Sentra: 1982-2018

For those seeking enhanced performance and reliability in their Nissan CA18 or C20 engine, the ACL 4B1630H-.025 rod bearings are a solid choice, combining innovative engineering with high-quality materials to deliver exceptional performance in demanding conditions.

Other Part Numbers:
ACL #acl4B1630H-.025

Proposition 65

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

Vehicle
1987-2005
 Nissan Pulsar
1982-2018
 Nissan Sentra

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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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