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ACL High Performance .25mm Oversized Rod Bearing Set for Volkswagen Golf R TFSI S3 TTS 1984cc - 4B5562H-.25

If you're diving into the world of high-performance engines, you know how crucial it is to have the right parts. These ACL Race Series Engine Bearings are designed with a unique blend of engineering and metallurgy that really stands out. They’re built to handle those high RPMs without breaking a sweat, making them a solid choice for those of us who push our engines to the limit.

Let’s talk features. First off, the overlay plate is high strength but comes in a reduced thickness, which means it’s got better fatigue properties. This is especially important when you're revving high. The hardened steel backs on all the rod bearings provide extra support for the bearing lining, keeping everything snug in the housing—no one wants a loose bearing when the RPMs are climbing.

These bearings also come with increased crush, which really helps with retention. And forget about flash plating on the back; that’s gone. This change enhances heat transfer through the bearings, ensuring they stay cool and gripped tight in their housing. Plus, they’ve got increased eccentricity to deal with bore distortion at high RPM, which is key for forming hydrodynamic oil films. If you’re into the nitty-gritty, the 3/4 grooved main bearings optimize the load-carrying surface area and oil flow to the conrod bearings, which is just smart engineering.

Consistency is key in performance, right? That’s why these bearings have tight wall tolerances to help maintain those clearances you need. And if you’re working with a performance crankshaft, you’ll appreciate the enlarged ID chamfers on the bearing edges—perfect for accommodating those larger fillet radii.

As for specs, you’ve got bearing sizes that include STD, .025, and .25, so you can find the right fit for your setup. For instance, if you’re working on a 2018 Volkswagen Golf R with the TFSI 1984cc 4-cylinder engine (CDL), this .25mm oversized high-performance rod bearing set (part number 4B5562H-.25) is a perfect match.

In short, these bearings are crafted for those who really care about their engine's performance and longevity. They might not be shiny and flashy, but they’ll get the job done when it counts. If you're serious about your build, you won't want to overlook these.

Other Part Numbers:
ACL #acl4B5562H-.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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