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  See more parts for Nissan 300ZX
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ACL High Performance Rod Bearing Set for Nissan 300ZX VG30DETT 0.025mm Oversized - 6B2390H-.025
ACL High Performance Rod Bearing Set for Nissan 300ZX VG30DETT 0.025mm Oversized - 6B2390H-.025 - Image 2 ACL High Performance Rod Bearing Set for Nissan 300ZX VG30DETT 0.025mm Oversized - 6B2390H-.025 - Image 2

ACL Race Series Engine Bearings - 6B2390H-.025

If you're looking to elevate your Nissan 300ZX's performance, the ACL Race Series Engine Bearings (Part Number: 6B2390H-.025) are engineered to meet the demands of high RPM conditions. These high-performance trimetal engine bearings combine advanced design, metallurgy, and engineering to ensure your engine runs smoothly under pressure, whether you're on the track or cruising the streets.

Why Choose ACL Race Series Engine Bearings?

The ACL Race Series bearings are specifically designed for 4, 6, and 8-cylinder applications, making them a perfect fit for your Nissan 300ZX from 1984 to 1999. These bearings are built to withstand the rigors of high-performance driving, ensuring durability and reliability when you need it most.

Features

  • High-strength overlay plate with reduced thickness enhances fatigue properties, allowing for better performance under stress.
  • Hardened steel backs on all rod bearings provide superior support for the bearing lining and assist with retention in the housing.
  • Increased crush ensures improved bearing retention, keeping everything secure during intense driving.
  • The elimination of flash plating on the back of the bearings enhances heat transfer and maximizes grip between the bearings and their housing.
  • Increased eccentricity compensates for bore distortion at high RPMs, facilitating the formation of hydrodynamic oil films for optimal lubrication.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the conrod bearings, ensuring efficient operation.
  • Tight, consistent wall tolerances help maintain precise clearances, which is crucial for performance engines.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii on performance crankshafts, making installation straightforward.

Technical Specifications

  • Size: STD, .025, .50
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Standard Shaft Size: 1.967 in / 49.961 mm
  • Max Standard Shaft Size: 1.9675 in / 49.961 mm
  • Min Standard Tunnel Size: 2.3089 in / 58.645 mm
  • Max Standard Tunnel Size: 2.087 in / 53.011 mm
  • Max Wall at Crown: 0.0592 in / 1.503 mm
  • Max Overall Length: 0.6732 in / 17.1 mm

Customer Feedback

A Nissan 300ZX owner shared, "After installing the ACL Race bearings, I noticed a significant improvement in engine response. The high RPM performance feels solid, and I haven’t experienced any issues even during track days. These bearings are a must-have for anyone looking to push their Z to the limit!"

Fitment

These bearings are specifically designed for:

  • Nissan 300ZX (1984-1999)

Upgrade your engine with confidence using ACL Race Series Engine Bearings. Designed for enthusiasts who demand excellence, these bearings will help you achieve the performance you crave. Don’t settle for less—ensure your Nissan 300ZX runs at its best!

Other Part Numbers:
ACL #acl6B2390H-.025

Proposition 65

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

Vehicle
1984-1999
 Nissan 300ZX

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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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