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  See more parts for Mitsubishi Evolution
Select the year of your Mitsubishi Evolution:
ACL Mitsubishi 4G63/4G64 7 Bolt Standard Size Engine Bearings for Evo I-IX 1992-1998 - 4B1185HX-STD
ACL Mitsubishi 4G63/4G64 7 Bolt Standard Size Engine Bearings for Evo I-IX 1992-1998 - 4B1185HX-STD - Image 2 ACL Mitsubishi 4G63/4G64 7 Bolt Standard Size Engine Bearings for Evo I-IX 1992-1998 - 4B1185HX-STD - Image 2

ACL 4B1185HX-STD Engine Bearings

If you're looking for reliable performance for your Mitsubishi, the ACL 4B1185HX-STD engine bearings are a solid choice. Designed specifically for high-performance applications, these bearings combine advanced metallurgy and engineering to meet the demands of spirited driving.

Features

  • High strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings provide improved support and retention.
  • Increased crush enhances bearing retention for a more secure fit.
  • Elimination of flash plating on the back improves heat transfer and grip in the housing.
  • Increased eccentricity helps compensate for bore distortion at high RPMs.
  • 3/4 grooved main bearings optimize load carrying surface area and oil flow.
  • Tight wall tolerances ensure consistent clearances for better performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Specifications

  • Size: STD
  • Oil Clearance: +0.001" Extra
  • Half Type: Upper & Lower
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 1.7709 in / 44.981 mm
  • Max Std Shaft Size: 1.7715 in / 44.996 mm
  • Min Std Tunnel Size: 1.8897 in / 47.998 mm
  • Max Std Tunnel Size: 1.8095 in / 48.019 mm
  • Max Wall at Crown: 0.0581 in / 1.475 mm
  • Max Overall Length: 0.8307 in / 21.1 mm

Customer Feedback

Many users have reported noticeable improvements in their engine's performance after switching to the ACL 4B1185HX-STD bearings. One satisfied customer mentioned, "I installed these bearings in my Evo and immediately felt a difference in throttle response. They seem to hold up well even under high RPMs." Another user appreciated the precise fit, stating, "The tolerances are spot on, making installation straightforward and hassle-free." If you're serious about performance, these bearings could be a worthwhile upgrade for your setup.

Fitment

The ACL 4B1185HX-STD is compatible with the Mitsubishi Evolution models from 1992 to 1998 and 2000. Make sure to verify your vehicle's specifications before purchasing.

Other Part Numbers:
ACL #acl4B1185HX-STD

Proposition 65

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

Vehicle
1992-1998, 2000
 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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