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  See more parts for Mitsubishi Evolution
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ACL Mitsubishi 4G63/4G64 7 Bolt Standard Size High Performance Main Bearing 1992-1999 - 5M1186H-STD

ACL Race Series Engine Bearings - 5M1186H-STD

When it comes to high-performance upgrades for your Mitsubishi Evolution (1992-1999), the ACL Race Series Engine Bearings stand out as a crucial component for any serious build. Engineered with a unique tri-metal construction, these bearings are designed to handle the demands of higher RPMs, ensuring your engine runs smoothly under pressure. Whether you're hitting the track or just want to enhance your daily drive, these bearings are tailored to deliver the reliability and performance you expect.

Key Features

  • High-strength overlay plate with reduced thickness enhances fatigue properties for long-lasting performance.
  • Hardened steel backs on all rod bearings provide superior support for the bearing lining, ensuring they stay securely in place.
  • Increased crush improves bearing retention, giving you peace of mind during high-stress situations.
  • Elimination of flash plating on the back optimizes heat transfer and maximizes grip between the bearings and housing.
  • Enhanced eccentricity compensates for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight, consistent wall tolerances help maintain precise clearances for improved performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring a perfect fit.

Technical Specifications

  • Size Options: 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 mm
  • Max Standard Tunnel Size: 2.4024 in / 61.021 mm
  • Max Wall at Crown: 0.0783 in / 1.99 mm
  • Max Overall Length: 0.8268 in / 21 mm

Fitment

These bearings are specifically designed for the Mitsubishi Evolution (1992-1999). Ensure that your engine is equipped with the right components to extract maximum performance from your setup.

Customer Feedback

One Mitsubishi Evolution owner shared, “I swapped in these ACL bearings during my rebuild, and they fit perfectly. The engine feels more responsive, especially at higher RPMs. I can definitely feel the difference on the track!”

Upgrade your Mitsubishi Evolution with the 5M1186H-STD ACL Race Series Engine Bearings and experience the difference that quality engineering makes. Perfect for those who demand performance and reliability from their engine components.

Other Part Numbers:
ACL #acl5M1186H-STD

Proposition 65

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

Vehicle
1992-1999
 Mitsubishi Evolution

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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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