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ACL Nissan GTR Standard High Performance Main Bearing Set 1M2505H-STD-3 (2009-2021) - 1M2505H-STD-3

ACL Race Series Engine Bearings - 1M2505H-STD-3

If you’re a proud owner of a Nissan GTR from 2009 to 2021, you know that performance is key to unlocking the full potential of your beast. The 1M2505H-STD-3 by ACL is engineered specifically for your GTR, delivering the durability and performance you demand from your engine bearings. Designed to thrive under high RPM conditions, these Trimetal engine bearings combine advanced metallurgy and precision engineering to meet the rigorous demands of high-performance driving.

Features

  • High-strength overlay plate with reduced thickness enhances fatigue resistance, ensuring longevity even in extreme conditions.
  • Hardened steel backs on all rod bearings provide superior support for the bearing lining, enhancing retention and stability within the housing.
  • Increased crush improves bearing retention, keeping everything securely in place as you push your GTR to the limit.
  • Elimination of flash plating on the back enhances heat transfer, maximizing grip between the bearings and their housing for optimal performance.
  • Increased eccentricity compensates for bore distortion at high RPM, facilitating the formation of hydrodynamic oil films for smoother operation.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the conrod bearings, ensuring your engine runs smoothly under pressure.
  • Tight, consistent wall tolerances help maintain precise clearances, crucial for high-performance applications.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring a perfect fit and function.

Specifications

  • Size: Std-0, Std-1, Std-2, Std-3, Std-4
  • Oil Clearance: Standard (Graded)
  • Half Type: Upper & Lower
  • Material: Tri-metal with hardened steel backs
  • Min Std Shaft Size: 2.5571 in / 64.951 mm
  • Max Std Shaft Size: 2.5581 in / 64.975 mm
  • Min Std Tunnel Size: 2.7556 in / 69.993 mm
  • Max Std Tunnel Size: 2.7566 in / 70.017 mm
  • Max Wall at Crown:
    • Std-0: 2.500-2.504 mm / 0.0984-0.0986 in
    • Std-1: 2.505-2.509 mm / 0.0986-0.0988 in
    • Std-2: 2.510-2.514 mm / 0.0988-0.0990 in
    • Std-3: 2.515-2.519 mm / 0.0990-0.0992 in
    • Std-4: 2.520-2.524 mm / 0.0992-0.0994 in
  • Max Overall Length: 0.7874 in / 20.00 mm

Fitment

This part is specifically designed for the Nissan GTR from 2009 to 2021. Ensure you’re getting the right fit for your high-performance engine.

Customer Feedback

A GTR owner mentioned, “After installing the ACL 1M2505H-STD-3 bearings, I noticed a significant improvement in my engine's responsiveness. The fit was perfect, and I can push my RPMs higher without worrying about wear.” This kind of feedback highlights the reliability and performance these bearings can bring to your GTR.

Other Part Numbers:
ACL #acl1M2505H-STD-3

Proposition 65

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

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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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