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  See more parts for Mitsubishi Eclipse
Select the year of your Mitsubishi Eclipse:
ACL Mitsubishi 1597-1997CC 0.50mm Oversized Rod Bearing Set for Eclipse/Galant 1990-2012 - 4B1146A-.50
ACL Mitsubishi 1597-1997CC 0.50mm Oversized Rod Bearing Set for Eclipse/Galant 1990-2012 - 4B1146A-.50 - Image 2 ACL Mitsubishi 1597-1997CC 0.50mm Oversized Rod Bearing Set for Eclipse/Galant 1990-2012 - 4B1146A-.50 - Image 2

If you're serious about performance, you know the importance of solid engine bearings. The ACL Race Series Engine Bearings are crafted with a unique blend of design and metallurgy that really stands out in the world of high-performance parts. These bearings are built to handle the heat and stress of higher RPMs, making them a fantastic choice for any 4, 6, or 8-cylinder setup.

What sets these bearings apart?

  • The overlay plate is high-strength but reduced in thickness, which means better fatigue resistance when you're pushing your engine hard.
  • All rod bearings come with hardened steel backs. This isn't just for show; it helps keep the bearing lining in place and improves retention in the housing, so you don’t have to worry about them shifting around.
  • Increased crush helps with bearing retention, ensuring they stay put when you’re revving up.
  • We ditched the flash plating on the back of the bearings. This allows for better heat transfer, keeping things cool, and maximizes the grip between the bearings and their housing.
  • With increased eccentricity, these bearings can handle bore distortion at high RPMs and help form hydrodynamic oil films—essential for keeping everything lubricated and running smoothly.
  • The 3/4 grooved main bearings optimize oil flow to the conrod bearings, which is crucial for maintaining performance under pressure.
  • Consistent wall tolerances mean you can keep clearances tight, which is key for performance builds.
  • We’ve also included enlarged ID chamfers on the edges where necessary to fit those performance crankshafts with large fillet radii.

Specifications:

  • Sizes available: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 1.7713 in / 44.991 mm
  • Max Standard Shaft Size: 1.7717 in / 45.000 mm
  • Min Standard Tunnel Size: 1.8898 in / 48.000 mm
  • Max Standard Tunnel Size: 1.8906 in / 48.020 mm
  • Max Wall at Crown: 0.0588 in / 1.494 mm
  • Max Overall Length: 0.925 in / 23.50 mm

Fitment:
These bearings are compatible with:

  • Mitsubishi Eclipse (1990-2011)
  • Mitsubishi Galant (1994-2012)
  • 4B1146A-.50 ACL Mitsubishi 1597-1997CC 0.50mm Oversized Rod Bearing Set (71-92)

So, if you're looking to upgrade your engine's internals, these ACL Race Series Engine Bearings might just be what you need. They’re built for performance and reliability, keeping your engine in top shape when it counts.

Other Part Numbers:
ACL #acl4B1146A-.50

Proposition 65

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

Vehicle
1990-2011
 Mitsubishi Eclipse
1994-2012
 Mitsubishi Galant

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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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