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  See more parts for Mitsubishi Evolution X
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ACL Mitsubishi 4B11T Evo X 2008-2015 0.25mm Oversized High Performance Rod Bearings - 4B1236H-.25
ACL Mitsubishi 4B11T Evo X 2008-2015 0.25mm Oversized High Performance Rod Bearings - 4B1236H-.25 - Image 2 ACL Mitsubishi 4B11T Evo X 2008-2015 0.25mm Oversized High Performance Rod Bearings - 4B1236H-.25 - Image 2

ACL 4B1236H-.25 High Performance Rod Bearing Set

The ACL 4B1236H-.25 rod bearing set is engineered for high-performance applications, specifically tailored for the Mitsubishi Evolution X models from 2008 to 2015. These bearings are designed to meet the rigorous demands of high RPM conditions, ensuring durability and reliability under extreme driving scenarios.

Key Features

  • Constructed with a high-strength overlay plate featuring reduced thickness, enhancing fatigue resistance for prolonged performance.
  • Hardened steel backs on all rod bearings provide superior support for the bearing lining, enhancing retention within the housing.
  • Increased crush design improves bearing retention, ensuring stability under high-stress conditions.
  • Elimination of flash plating on the back of the bearings promotes efficient heat transfer, maximizing grip between the bearings and their housings.
  • Enhanced eccentricity compensates for bore distortion at elevated RPMs, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings, improving overall engine performance.
  • Tight and consistent wall tolerances help maintain precise clearances, critical for performance applications.
  • Enlarged ID chamfers on bearing edges accommodate large fillet radii on performance crankshafts, allowing for a better fit.

Specifications

  • Size: 0.25 mm oversized
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 2.0454 in (51.954 mm)
  • Max Standard Shaft Size: 2.0461 in (51.972 mm)
  • Min Standard Tunnel Size: 2.1654 in (55.000 mm)
  • Max Standard Tunnel Size: 2.1657 in (55.010 mm)
  • Max Wall Thickness at Crown: 0.0591 in (1.500 mm)
  • Max Overall Length: 0.669 in (17.00 mm)

Fitment

Compatible with Mitsubishi Evolution X models from 2008 to 2015.

Other Part Numbers:
ACL #acl4B1236H-.25

Proposition 65

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

Vehicle
2008-2015
 Mitsubishi Evolution X

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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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