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ACL Race Series Mini Inline 4 Standard Size Main Bearing Set for 1983 and Earlier - 3M2203H-STD

If you're diving into the world of high-performance engines, you know that every little detail counts. That’s where the ACL Race Series Engine Bearings come into play. These aren’t just any bearings; they’re crafted with a unique blend of design, metallurgy, and engineering that really stands up to the demands of higher RPMs. Whether you’re running a 4, 6, or 8-cylinder setup, these bearings are tailored for popular applications, so you can trust they’ll fit right in.

What sets these bearings apart? For starters, the high-strength overlay plate is thinner, which might sound counterintuitive, but it actually enhances fatigue properties. This means they can take more punishment without giving in. Plus, all the rod bearings come with hardened steel backs. This isn’t just for show; it helps support the bearing lining and keeps everything snug in the housing. You want your bearings to stay put, right?

Another cool feature is the increased crush, which boosts bearing retention. You won’t have to worry about them slipping out of place, even when you’re pushing your engine to its limits. And forget about flash plating on the back of the bearings. This design choice improves heat transfer, which is crucial when you’re hauling at high speeds. It maximizes the grip between the bearings and their housing, keeping everything running smoothly.

Now, if you’ve ever dealt with bore distortion at high RPMs, you’ll appreciate the increased eccentricity. It helps in forming hydrodynamic oil films, which are essential for keeping your engine lubricated and happy. And those 3/4 grooved main bearings? They optimize the load-carrying surface area and ensure your oil flows just right to the conrod bearings. Tight and consistent wall tolerances help you maintain those all-important clearances, too.

Lastly, the enlarged ID chamfers on the bearing edges accommodate larger fillet radii on performance crankshafts, making installation a breeze. So, if you’re looking for a reliable set of bearings that can handle the heat and keep your engine performing at its best, check out the 3M2203H-STD ACL BMC Mini Inline 4 (up to 1983) standard size high-performance main bearing set. They come in sizes STD, 001, and 010, giving you options to fit your specific setup.

In short, these bearings are built for those who push their machines to the max and need components that can keep up. You’ll feel the difference when you hit the gas.

Other Part Numbers:
ACL #acl3M2203H-STD

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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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