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ACL High Performance Main Bearing Set 0.25 Oversized for Nissan 300ZX VG30DETT 1984-1999
$102.45
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ACL 4M2737H-.25 High Performance Main Bearing Set

The ACL 4M2737H-.25 is designed specifically for those who demand performance and reliability from their engine components. This main bearing set is part of ACL's Race Series, crafted to meet the rigorous demands of high RPM conditions. With a focus on durability and efficiency, these bearings are ideal for enthusiasts looking to enhance their Nissan VG30DETT 3.0L-V6 engines.

Features:

  • High strength overlay plate that offers improved fatigue properties, ensuring longevity even under stress.
  • Hardened steel backs on all rod bearings provide better support for the lining and help retain the bearings within the housing.
  • Increased crush enhances bearing retention, giving you peace of mind during high-performance driving.
  • Elimination of flash plating on the back improves heat transfer, maximizing the grip between the bearings and their housing.
  • Increased eccentricity compensates for bore distortion at high RPMs, aiding in the formation of hydrodynamic oil films.
  • 3/4 grooved design optimizes load carrying surface area and oil flow to the conrod bearings.
  • Tight wall tolerances help maintain consistent clearances, crucial for performance applications.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, ensuring a better fit.

Specifications:

  • Size: 0.25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 2.4784 in / 62.951 mm
  • Max Std Shaft Size: 2.4793 in / 62.974 mm
  • Min Std Tunnel Size: 62.974 in / 66.645 mm
  • Max Std Tunnel Size: 2.6249 in / 66.672 mm
  • Max Wall at Crown: 0.072 in / 1.83 mm
  • Max Overall Length: 0.748 in / 19 mm

Customer Feedback:

Many users have reported that the ACL 4M2737H-.25 bearings significantly improved their engine's performance. One customer noted, "After installing these bearings, I noticed a smoother operation and better oil flow. They fit perfectly in my 300ZX, and I can really feel the difference during high RPM runs." Another user mentioned, "I appreciate the quality of these bearings. They give me confidence during races, knowing they can handle the stress." It's clear that these bearings are a solid choice for those who take their performance seriously.

Fitment:

This main bearing set is compatible with the Nissan 300ZX models from 1984 to 1999, ensuring a precise fit for your engine rebuild or upgrade.

Other Part Numbers:
ACL #acl4M2737H-.25

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Vehicle
1984-1999
Nissan 300ZX

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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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