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  See more parts for Mitsubishi Galant
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ACL Mitsubishi 1997CC G63B/4G63 0.25mm Oversized Main Bearing Set 83-92 - 5M1144A-.25
ACL Mitsubishi 1997CC G63B/4G63 0.25mm Oversized Main Bearing Set 83-92 - 5M1144A-.25 - Image 2 ACL Mitsubishi 1997CC G63B/4G63 0.25mm Oversized Main Bearing Set 83-92 - 5M1144A-.25 - Image 2

ACL 5M1144A-.25 Main Bearing Set for Mitsubishi G63B/4G63

The ACL 5M1144A-.25 is a high-performance main bearing set specifically engineered for the Mitsubishi 1997CC G63B/4G63 engine, catering to those who demand reliability and durability under high RPM conditions. This Trimetal bearing set is designed to optimize performance, ensuring that your engine maintains its integrity during intense driving scenarios.

Key Features

  • Constructed with a high-strength overlay plate that features a reduced thickness, enhancing fatigue resistance for longevity.
  • Hardened steel backs on all rod bearings improve support for the bearing lining, aiding in retention within the housing.
  • Increased crush for superior bearing retention, ensuring stability under load.
  • Flash plating has been eliminated from the back of the bearings, promoting better heat transfer and maximizing grip between the bearings and their housing.
  • Enhanced eccentricity compensates for bore distortion at high RPMs, facilitating the formation of hydrodynamic oil films for smoother operation.
  • 3/4 grooved main bearings optimize load-carrying surface area and ensure efficient oil flow to connecting rod bearings.
  • Tight and consistent wall tolerances help maintain precise clearances for improved engine performance.
  • Enlarged ID chamfers on bearing edges accommodate larger fillet radii found on performance crankshafts.

Specifications

  • Size: 0.25mm Oversized
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal
  • Min Standard Shaft Size: 2.2433 in / 56.980 mm
  • Max Standard Shaft Size: 2.2441 in / 57.000 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: 0.906 in / 23.00 mm

Fitment

This main bearing set is compatible with the following models:

  • Mitsubishi Galant (1994-2012)
  • Mitsubishi Lancer (2002-2017)

Choose the ACL 5M1144A-.25 Main Bearing Set for a dependable upgrade that meets the demands of performance driving while ensuring your engine operates at peak efficiency.

Other Part Numbers:
ACL #acl5M1144A-.25

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1994-2012
 Mitsubishi Galant
2002-2017
 Mitsubishi Lancer

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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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