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  See more parts for Nissan 200SX S12
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ACL Nissan 4 1597-1809cc CA16/18/20 0.50 Oversized Rod Bearing Set 1982-2005 - 4B1630-.50
ACL Nissan 4 1597-1809cc CA16/18/20 0.50 Oversized Rod Bearing Set 1982-2005 - 4B1630-.50 - Image 2 ACL Nissan 4 1597-1809cc CA16/18/20 0.50 Oversized Rod Bearing Set 1982-2005 - 4B1630-.50 - Image 2

ACL 4B1630-.50 Oversized Rod Bearing Set

The ACL 4B1630-.50 Oversized Rod Bearing Set is engineered for performance-driven applications, specifically designed for Nissan engines. This set features a tri-metal construction that combines exceptional strength and durability, making it ideal for higher RPM conditions where traditional bearings may falter.

Key Features

  • High Strength Overlay Plate: Reduced thickness enhances fatigue resistance, allowing for better performance under stress.
  • Hardened Steel Backs: All rod bearings come with hardened steel backs to improve support for the bearing lining and ensure secure retention within the housing.
  • Increased Crush: This feature enhances bearing retention, ensuring stability during operation.
  • Optimized Heat Transfer: The elimination of flash plating on the back of the bearings improves heat dissipation, maximizing the grip between the bearings and their housing.
  • Enhanced Eccentricity: Designed to compensate for bore distortion at high RPM, this feature aids in forming hydrodynamic oil films for better lubrication.
  • 3/4 Grooved Main Bearings: This design optimizes the bearing load-carrying surface area, improving oil flow to the connecting rod bearings.
  • Tight Wall Tolerances: Consistent wall tolerances maintain precise clearances, crucial for performance applications.
  • Enlarged ID Chamfers: Bearing edges are chamfered where necessary to accommodate large fillet radii on performance crankshafts.

Specifications

  • Oversized: 0.50
  • 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 at Crown: 0.0593 in / 1.505 mm
  • Max Overall Length: 0.792 in / 20.12 mm

Compatible Applications

  • Nissan 200SX S12 (1985-1988)
  • Nissan Pulsar (1987-2005)
  • Nissan Sentra (1982-2018)

For those looking to enhance their Nissan engine's performance, the ACL 4B1630-.50 Oversized Rod Bearing Set provides the reliability and strength needed to tackle demanding driving conditions.

Other Part Numbers:
ACL #acl4B1630-.50

Proposition 65

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

Vehicle
1985-1988
 Nissan 200SX S12
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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