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ACL Race Series Mini Inline 4 Engine Bearings 3M2203HX-STD for Up to 1983, Extra Oil Clearance - 3M2203HX-STD

When it comes to pushing your engine to its limits, you want bearings that can keep up with the demands of high performance. 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 delivers when you’re revving high RPMs. If you’ve got a 4, 6, or 8-cylinder engine, there’s a good chance they’ve got a fit for you.

One of the standout features is the high-strength overlay plate. It’s been reduced in thickness, which might sound counterintuitive, but it actually enhances fatigue properties. That means these bearings can take a beating without giving up. Plus, the hardened steel backs on all rod bearings provide solid support for the lining, ensuring they stay put even under extreme conditions.

They’ve also increased the crush, which translates to better retention in the housing. This isn’t just a nice-to-have; it’s crucial for keeping everything in place when you’re pushing your ride hard. And let’s not forget about heat transfer—by eliminating flash plating on the back, these bearings let heat escape more effectively, maximizing grip between the bearings and their housing.

At high RPMs, bore distortion can be a real issue, but the increased eccentricity in these bearings compensates for that, helping to form those all-important hydrodynamic oil films. The 3/4 grooved main bearings are designed to optimize the load-carrying surface area and ensure oil flows smoothly to the conrod bearings, keeping everything lubricated and happy.

Consistency is key in performance, and these bearings sport tight tolerances that help maintain clearances. Plus, the enlarged ID chamfers on the edges accommodate the larger fillet radius found on performance crankshafts, making installation a breeze.

In terms of specs, these bearings are built to handle the demands of high RPMs without flinching. You can find them in sizes like STD, 001, and 010, so you’ve got options depending on your setup. For those running a BMC Mini Inline 4 (up to 1983), the 3M2203HX-STD is a standard high-performance main bearing with extra oil clearance that you’ll definitely want to consider.

Bottom line? If you’re serious about performance and reliability, these ACL Race Series Engine Bearings are worth a look. They’ve got the guts to keep your engine running strong, even when you’re pushing it to the max.

Other Part Numbers:
ACL #acl3M2203HX-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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