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  See all Engine products
ACL Race Series Main Bearing Set .25mm Oversized for Nissan ZD30 QD32 Inline 4 Diesel - 5M2965H-.25

If you're diving into the world of performance engines, you know how crucial it is to have reliable components under the hood. That’s where the ACL Race Series Engine Bearings come in. These aren’t just any bearings; they’re crafted for those who push their engines to the limit, especially in 4, 6, and 8-cylinder setups. Whether you're racing or just want to ensure your daily driver can handle a bit of extra fun, these bearings have got your back.

  • High Strength Overlay: The overlay plate is thinner but tough, which means it can handle the stresses of higher RPMs without breaking a sweat. Fatigue? Not on its watch.
  • Hardened Steel Backs: All rod bearings come with hardened steel backs. This isn’t just for show; it helps keep the bearing lining snug in its housing, so you won’t have to worry about any slippage.
  • Increased Crush: With improved crush, these bearings stay put, giving you peace of mind that they won’t shift when you’re pushing the limits.
  • No Flash Plating: By skipping the flash plating on the back, heat transfer is way better. This means the bearings can do their job more efficiently, keeping everything cool and collected.
  • Increased Eccentricity: This feature helps combat bore distortion at high RPMs and aids in forming hydrodynamic oil films, which is a fancy way of saying it keeps everything lubricated just right.
  • 3/4 Grooved Main Bearings: These are designed to maximize oil flow to the conrod bearings, ensuring that every part gets the lubrication it needs to perform at its best.
  • Tight Wall Tolerances: Consistency is key, and these bearings help maintain those clearances you need for optimal performance.
  • Enlarged ID Chamfers: For those performance crankshafts with larger fillet radii, these chamfers make sure everything fits just right.

Now, let’s talk specifics. The 5M2965H-.25 is a set of Nissan ZD30, QD32, Inline 4 Diesel bearings, and they come in a .25mm oversized option. This means if you're looking to upgrade your engine setup, these bearings are built to handle the demands of high-performance driving.

With these bearings, you’re not just getting a part; you’re investing in the reliability and performance your engine deserves. If you’re serious about your build, these are a no-brainer.

Other Part Numbers:
ACL #acl5M2965H-.25

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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