The ACL 4M1149H-.25 Performance Rod Bearing Set is crafted for those who demand reliability and performance from their engine components. This set is designed specifically for Mitsubishi engines, particularly the 6G72, 6G72T, and 6G73 configurations. With its robust build and thoughtful engineering, it stands out as a go-to choice for both enthusiasts and professionals alike.
"I've been using the ACL 4M1149H-.25 bearings in my Mitsubishi 3000GT for a couple of months now. The engine feels smoother, and I can really tell the difference during high RPM driving. They fit perfectly, and I appreciate the quality of the materials used." - Alex T.
"These bearings were a perfect match for my rebuild. Installation was straightforward, and I noticed a significant reduction in engine noise. Definitely worth the investment." - Jamie R.
Other Part Numbers:
ACL #acl4M1149H-.25
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1991-2000 Mitsubishi 3000GT |
3000GT | 1991-2000 |
|
1991-2004 Mitsubishi Diamante |
Diamante | 1991-2004 |

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 RacingEngine 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.