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  See more parts for Nissan Primera
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ACL Nissan SR20DE/DET GTiR 0.025mm Oversized High Performance Rod Bearing Set 19mm Wide - 4B2976H-.025
ACL Nissan SR20DE/DET GTiR 0.025mm Oversized High Performance Rod Bearing Set 19mm Wide - 4B2976H-.025 - Image 2 ACL Nissan SR20DE/DET GTiR 0.025mm Oversized High Performance Rod Bearing Set 19mm Wide - 4B2976H-.025 - Image 2

If you’re looking to give your engine the kind of upgrade that makes a real difference, these ACL Race Series Engine Bearings might just be what you need. These aren’t your average bearings; they’re designed for serious performance. Whether you’re pushing a 4, 6, or 8-cylinder setup, these bearings can handle the heat, especially if you like to rev high.

  • High strength overlay plate: It’s thinner than what you might be used to, but that’s intentional. This design helps with fatigue resistance, so you can run those higher RPMs without worrying about failure.
  • Hardened steel backs: All rod bearings come with these tough backs to keep the bearing lining secure and enhance retention in the housing. Trust me, you want that extra support when you’re pushing your engine.
  • Increased crush: This is all about keeping your bearings in place. Improved retention means less chance of them shifting under pressure.
  • No flash plating: The elimination of flash plating on the back means heat transfer is better. This helps maintain grip between the bearings and their housing, which is crucial when you’re running hot.
  • Increased eccentricity: This feature compensates for any bore distortion you might encounter at high RPMs, helping to form those all-important hydrodynamic oil films.
  • 3/4 grooved main bearings: This design optimizes the load-carrying surface area and improves oil flow to the conrod bearings, which is a big deal for performance.
  • Tight tolerances: Consistent wall tolerances help you maintain those clearances you need for a smooth-running engine.
  • Enlarged ID chamfers: These are there for a reason—accommodating larger fillet radii on performance crankshafts makes installation a lot easier.

Specifications:

  • Size: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 1.888 in / 47.956 mm
  • Max Std Shaft Size: 1.8887 in / 47.974 mm
  • Min Std Tunnel Size: 2.0079 in / 51.000 mm
  • Max Std Tunnel Size: 2.0084 in / 51.013 mm
  • Max Wall at Crown: 0.0592 in / 1.503 mm
  • Max Overall Length: 0.752 in / 19.10 mm

Products Fitment:

  • Nissan Primera 1991-2007
  • Nissan Pulsar 1987-2000 (4B2976H-.025 ACL Nissan SR20DE/DET GTiR 0.025mm Oversized High Performance Rod Bearing Set - 19mm wide)

These bearings are built for those who want to push their engines to the limit without compromising reliability. If you’re serious about performance, you’ll want to check these out.

Other Part Numbers:
ACL #acl4B2976H-.025

Proposition 65

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

Vehicle
1991-2007
 Nissan Primera
1987-2000
 Nissan Pulsar

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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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