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  See more parts for Nissan GTR
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ACL High Performance Main Bearing Set .025mm Oversized for Nissan RB25DETT/RB26DETT - 7M2428H-.025
ACL High Performance Main Bearing Set .025mm Oversized for Nissan RB25DETT/RB26DETT - 7M2428H-.025 - Image 2 ACL High Performance Main Bearing Set .025mm Oversized for Nissan RB25DETT/RB26DETT - 7M2428H-.025 - Image 2

Alright, let’s talk about these ACL Race Series Engine Bearings. If you're pushing your engine to the limits—whether you’re on the track or just love that thrill on the street—these bearings are built to handle the heat. Seriously, they’re designed for high RPM conditions, so they’re not just your average bearings. They’re the real deal for 4, 6, and 8 cylinder setups.

What makes these bearings stand out?

  • First off, they’ve got a high-strength overlay plate that’s thinner than what you’d find on standard bearings. This means better fatigue resistance, which is crucial when you’re revving high.
  • All the rod bearings come with hardened steel backs. This isn’t just for show—it really helps support the lining and keeps everything locked in place in the housing.
  • They’ve upped the crush factor too, which means they stick better in their spots. No one wants a bearing that shifts around, right?
  • Forget about flash plating on the backs. This design improves heat transfer and helps the bearings grip the housing better. Less heat means more reliable performance.
  • With increased eccentricity, these bearings can handle bore distortion at those high RPMs, helping to create a solid hydrodynamic oil film.
  • Plus, the 3/4 grooved main bearings optimize load distribution and oil flow to the conrod bearings. It’s all about keeping that oil where it needs to be.
  • And don’t sweat the tolerances—these are tight and consistent, which helps you maintain clearances that won’t throw your engine off.
  • Need to fit them on a performance crankshaft? No problem, they’ve got enlarged ID chamfers to accommodate those larger fillet radii.

Here’s the nitty-gritty:

  • Sizes available: STD, .025, .25, .50
  • Oil clearance: Standard
  • Half type: Identical halves for easy installation
  • Material: Tri-metal with hardened steel backs
  • Min standard shaft size: 2.1634 in / 54.951 mm
  • Max standard shaft size: 2.1644 in / 54.975 mm
  • Min standard tunnel size: 2.3089 in / 58.645 mm
  • Max standard tunnel size: 2.3094 in / 58.658 mm
  • Max wall at crown: 0.0719 in / 1.827 mm
  • Max overall length: 1.063 in / 27 mm

What cars do these fit?

These bearings are perfect for:

  • Nissan GTR (2009-2021)
  • Nissan Skyline R32 (1989-1994)
  • Nissan Skyline R33 (1995-1998)
  • Nissan Skyline R34 (1999-2002)

For those running a Nissan RB25DETT or RB26DETT, the 7M2428H-.025 ACL set gives you that .025mm oversized fit you need for high performance. Trust me, if you’re serious about your engine, these bearings are a solid choice.

Other Part Numbers:
ACL #acl7M2428H-.025

Proposition 65

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

Vehicle
2009-2021
 Nissan GTR
1989-1994
 Nissan Skyline R32
1995-1998
 Nissan Skyline R33
1999-2002
 Nissan Skyline R34

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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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