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  See more parts for Nissan Maxima
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ACL High Performance Rod Bearing Set .25 Oversize for Nissan VQ30DE 1995-2000 - 6B2630H-.25
ACL High Performance Rod Bearing Set .25 Oversize for Nissan VQ30DE 1995-2000 - 6B2630H-.25 - Image 2 ACL High Performance Rod Bearing Set .25 Oversize for Nissan VQ30DE 1995-2000 - 6B2630H-.25 - Image 2

ACL Race Series Engine Bearings - 6B2630H-.25

When it comes to performance upgrades for your Nissan Maxima (1981-2018), the ACL Race Series Engine Bearings are an essential component for those looking to push their engine to the limits. Designed with a unique combination of advanced metallurgy and engineering, these Trimetal engine bearings are built to handle the demands of high RPM conditions, ensuring your engine runs smoothly even under the most strenuous circumstances.

Key Features

  • High-strength overlay plate with reduced thickness for enhanced fatigue resistance.
  • Hardened steel backs on all rod bearings provide superior support and retention in the housing.
  • Increased crush for improved bearing stability and retention.
  • Elimination of flash plating on the back enhances heat transfer and grip within the housing.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight wall tolerances help maintain consistent clearances for reliable performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Technical Specifications

  • Size: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Aluminum, Tin, and Silicon
  • Min Standard Shaft Size: 1.7699 in / 44.956 mm
  • Max Standard Shaft Size: 1.7706 in / 44.974 mm
  • Min Standard Tunnel Size: 1.8897 in / 48.000 mm
  • Max Standard Tunnel Size: 1.8903 in / 48.013 mm
  • Max Wall at Crown: 0.0591 in / 1.502 mm
  • Max Overall Length: 0.669 in / 17.00 mm

Real-World Performance

Maxima owners have reported significant improvements in engine responsiveness and reliability after installing the 6B2630H-.25 bearings. One 2015 Maxima owner shared, “After I upgraded to these ACL bearings, I noticed my engine runs smoother, especially at high RPMs. No more worrying about performance drops during spirited driving.”

Fitment

These engine bearings are specifically designed to fit the following:

  • Nissan Maxima 1981-2018

Upgrade your Nissan Maxima's performance with the ACL Race Series Engine Bearings and experience the difference in your engine's efficiency and power delivery. Whether you're hitting the track or just enjoying a spirited drive, these bearings are engineered to meet the demands of high-performance driving.

Other Part Numbers:
ACL #acl6B2630H-.25

Proposition 65

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

Vehicle
1981-2018
 Nissan Maxima

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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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