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ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX Standard Size High Performance Main Bearing Set - 5M1219H-STD
ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX Standard Size High Performance Main Bearing Set - 5M1219H-STD - Image 2 ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX Standard Size High Performance Main Bearing Set - 5M1219H-STD - Image 2

If you're diving into the world of high-performance engines, you’ve probably heard about ACL's Race Series Engine Bearings. These aren’t just any bearings; they’re a solid piece of engineering that really gets what performance drivers need. Built to handle the heat and stress of high RPM situations, these bearings are designed for a variety of 4, 6, and 8-cylinder setups, including the Mitsubishi 4G63/4G64 7 Bolt EVO V-IX.

Let’s break down what makes these bearings stand out:

  • First off, the overlay plate is high-strength but thinner, which means they can take a beating without giving up on fatigue resistance.
  • All rod bearings come with hardened steel backs. This isn’t just a fancy feature—it helps support the bearing lining and keeps everything snug in the housing.
  • They’ve cranked up the crush on these bearings, which boosts retention and keeps them in place even under pressure.
  • Forget about flash plating on the back; it’s gone. This change enhances heat transfer and ensures a solid grip between the bearings and their housing.
  • With increased eccentricity, these bearings tackle bore distortion at high RPMs like a champ, helping form those all-important hydrodynamic oil films.
  • The 3/4 grooved main bearings? They’re designed to maximize the load-carrying surface area and oil flow to the conrod bearings, so you get better performance where it counts.
  • Consistent wall tolerances mean you won’t be second-guessing your clearances, which is crucial for keeping your engine running smoothly.
  • And if you’ve got a performance crankshaft, the enlarged ID chamfers on the edges accommodate larger fillet radii, ensuring a perfect fit.

Here are the specs you might want to know:

  • Sizes available: STD, .025, .25
  • Oil clearance: Standard
  • Half type: Identical halves
  • Material: Tri-metal
  • Min standard shaft size: 2.2435 in / 56.985 mm
  • Max standard shaft size: 2.2441 in / 57 mm
  • Min standard tunnel size: 2.4016 in / 61.000 mm
  • Max standard tunnel size: 2.4024 in / 61.021 mm
  • Max wall at crown: 0.0783 in / 1.990 mm
  • Max overall length: 0.8268 in / 21.00 mm

This set is perfect for those who want to push their engines to the limit without worrying about the bearings giving out. If you’re working on a Mitsubishi 4G63/4G64, these bearings are a no-brainer. They’ll help you keep your ride reliable and ready for whatever you throw at it.

Other Part Numbers:
ACL #acl5M1219H-STD

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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