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If you're looking to give your engine the kind of support it deserves, these ACL Race Series Engine Bearings are worth a serious look. They’ve been crafted with a mix of smart design, tough materials, and solid engineering to handle the demands of high RPM situations. Whether you’re pushing a 4, 6, or 8-cylinder setup, these bearings are built to last and perform.
What Makes These Bearings Stand Out
- Strong Overlay Plate: The high-strength overlay is thinner, which means it’s better at handling fatigue. This is crucial when you’re pushing your engine to the limit.
- Hardened Steel Backs: All rod bearings come with hardened steel backs that not only support the lining but also keep everything snug in the housing. No one likes a loose bearing.
- Increased Crush: This feature really helps with bearing retention, so you don’t have to worry about them slipping out of place during those intense drives.
- Heat Transfer: They’ve ditched the flash plating on the backs, which means better heat transfer and a more solid grip between the bearing and housing. This is key for keeping your engine cool.
- Compensated Eccentricity: The increased eccentricity helps with bore distortion at high RPMs, making sure that hydrodynamic oil films form just right.
- Optimized Oil Flow: The 3/4 grooved main bearings maximize the load-carrying surface area and ensure oil flows smoothly to the conrod bearings.
- Tight Tolerances: Consistent wall tolerances mean you can keep your clearances in check, which is vital for performance.
- Chamfered Edges: Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts, so you can run what you’ve got without worry.
Specs You Should Know
- Size Options: STD, .025, .25
- Oil Clearance: Standard
- Half Type: Identical Halves
- Material: Tri-metal with hardened steel backs
- Min Std Shaft Size: 2.3603 in / 59.951 mm
- Max Std Shaft Size: 2.3612 in / 59.975 mm
- Min Std Tunnel Size: 2.5194 in / 63.993 mm
- Max Std Tunnel Size: 2.5203 in / 64.017 mm
- Max Wall at Crown: 0.0791 in / 2.009 mm
- Max Overall Length: 0.792 in / 20.12 mm
Fitment
These bearings are designed for the following models:
- Nissan Maxima (1981-2008)
- Nissan Murano (2009-2018)
- Nissan Pathfinder (1987-2012)
For those rocking the VQ35DE 3.5L V6, this 0.25 oversized high-performance main bearing set (part number 4M2633H-.25) is a great match. It’s all about keeping your engine running smoothly, so you can focus on enjoying the ride.
Other Part Numbers:
ACL #acl4M2633H-.25
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1981-2008 Nissan Maxima |
Maxima | 1981-2008 |
|
2009-2018 Nissan Murano |
Murano | 2009-2018 |
|
1987-2012 Nissan Pathfinder |
Pathfinder | 1987-2012 |
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.
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