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ACL Performance Rod Bearing Set .25mm Oversized for BMW N54B30/N55B30 3.0L Engine - 6B1584H-.25

ACL Race Series Engine Bearings - 6B1584H-.25

If you're looking to enhance the performance of your engine, the ACL Race Series Engine Bearings (6B1584H-.25) are engineered to meet the demands of high RPM conditions, making them an essential upgrade for serious automotive enthusiasts. These bearings are designed with a unique combination of advanced metallurgy and precision engineering, ensuring they stand up to the rigors of racing and spirited driving.

Fitment

The ACL 6B1584H-.25 bearings are compatible with various 4, 6, and 8-cylinder applications, providing a reliable performance upgrade for your vehicle. Be sure to verify fitment specifics for your make and model to ensure optimal performance.

Key Features

  • High-strength overlay plate with reduced thickness for enhanced fatigue resistance, perfect for high-performance setups.
  • Hardened steel backs on all rod bearings offer superior support for the bearing lining and improved retention within the housing.
  • Increased crush provides better bearing retention, ensuring a secure fit even under extreme conditions.
  • Elimination of flash plating on the back of the bearings enhances heat transfer and maximizes grip between the bearing and housing.
  • Increased eccentricity compensates for bore distortion at high RPMs, promoting the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize the load-carrying surface area and improve oil flow to the conrod bearings.
  • Tight and consistent wall tolerances help maintain precise clearances, crucial for engine performance.
  • Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts, ensuring a perfect fit.

Specifications

  • Size: STD, .025, .25

Customer Feedback

Ford Mustang GT owners have reported significant improvements in engine response and reliability after installing the ACL Race Series bearings. One owner mentioned, “After swapping out my factory bearings for the ACL 6B1584H-.25, I noticed a marked improvement in my engine's performance during track days. The bearings held up perfectly at high RPMs, and I felt more confident pushing my limits.”

Whether you’re a weekend warrior or a serious track racer, the ACL Race Series Engine Bearings (6B1584H-.25) are a smart choice for anyone looking to push their vehicle to the next level. Upgrade your engine's internals today and experience the difference!

Other Part Numbers:
ACL #acl6B1584H-.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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