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ACL High Performance Rod Bearing Set for Subaru FB20/FB25 - Standard Size .001 Oil Clearance - 4B8325HX-STD

If you're diving into the world of high-performance engines, you know that the right components can make all the difference. That’s where the ACL Race Series Engine Bearings come into play. These aren't just any bearings; they’re crafted for those who push their engines to the limit, whether you're racing on the track or just want to squeeze every bit of power out of your Subaru FB20 or FB25.

What sets these bearings apart? For starters, they feature a high-strength overlay plate that’s thinner than your average bearing, which means better fatigue resistance. This is crucial when you’re running at higher RPMs — you want something that can take the heat without giving up. Plus, the hardened steel backs on all the rod bearings provide solid support for the lining, ensuring they stay put even under the most intense conditions.

One of the standout features is the increased crush, which helps keep the bearings firmly in place. And if you’re worried about heat, they’ve eliminated the flash plating on the back, allowing for better heat transfer. This means your bearings can handle the heat while maximizing grip in their housing. Talk about a win-win!

Now, let’s talk about the nitty-gritty. These bearings have been designed with increased eccentricity to tackle bore distortion at high RPMs, which helps with forming those all-important hydrodynamic oil films. And, if you’re running a performance crankshaft, the enlarged ID chamfers on the edges are a thoughtful touch, accommodating larger fillet radii without a hitch.

When it comes to oil flow, the 3/4 grooved main bearings are a game changer, optimizing the load-carrying surface area and ensuring your conrod bearings get the oil they need. Plus, the tight wall tolerances mean you can maintain consistent clearances, which is what every performance enthusiast dreams of.

Available in sizes like STD, .025, and .25, these bearings are designed for a precise fit with a .001 oil clearance. So whether you’re building a street beast or a track-ready machine, the 4B8325HX-STD ACL Subaru FB20/FB25 High-Performance Rod Bearing Set has got your back. They’re built to last, and they’ll help you get the most out of your engine without missing a beat.

Other Part Numbers:
ACL #acl4B8325HX-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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