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If you're looking to really push your engine to the limit, you might want to check out the ACL Race Series Engine Bearings. These aren't your run-of-the-mill bearings; they’re built for performance and designed to handle the kind of RPMs that get your heart racing. Whether you’re working on a 4, 6, or 8-cylinder setup, these bearings have got you covered.
What sets them apart? For starters, the high-strength overlay plate is thinner, which not only helps with fatigue resistance but also keeps things light. And if you’re worried about bearing retention, the hardened steel backs on all the rod bearings do a solid job of supporting the lining and keeping everything snug in the housing. It's a small detail, but it makes a big difference when you're pushing your engine hard.
Speaking of details, the increased crush on these bearings means they hold onto their position better, even under stress. They’ve also cut out flash plating from the backs, which is a game changer for heat transfer. This means better cooling and grip between the bearings and their housing—essential for those high-performance runs.
And let’s not forget about eccentricity. These bearings have been designed to compensate for bore distortion at high RPMs, which helps form hydrodynamic oil films that keep everything running smoothly. The 3/4 grooved main bearings optimize the load-carrying surface area and ensure oil flows freely to the conrod bearings, so you can keep the engine happy and healthy.
With tight wall tolerances, you can maintain consistent clearances, which is crucial for performance builds. Plus, they’ve enlarged ID chamfers on the edges where necessary, making them compatible with those beefy fillet radii you’ll find on performance crankshafts.
Now, let’s talk specs. These bearings come in sizes like STD, .025, and .25, so you can find just the right fit for your needs. The oil clearance is standard, and they’re made from tri-metal with hardened steel backs. You’ll want to pay attention to the shaft sizes too: the minimum is 2.2433 inches and the maximum is 2.2441 inches. The tunnel sizes range from 2.4016 inches to 2.4024 inches, which gives you a bit of wiggle room for installation.
These bearings are a perfect fit for a variety of Mitsubishi Eclipse models from 1990 to 2011, specifically the 5M1144A-STD set for the 1997CC G63B/4G63 engines from 83-92. So if you’re ready to take your ride to the next level, these bearings are a solid investment.
Other Part Numbers:
ACL #acl5M1144A-STD
Proposition 65
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https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1990-2011 Mitsubishi Eclipse |
Eclipse | 1990-2011 |
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 RacingEngine 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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