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  See more parts for Honda Prelude
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ACL Honda D15 Standard Size Rod Bearing Set 84-95, Tri-Metal, 4B1955-STD - 4B1955-STD

ACL Race Series Engine Bearings - 4B1955-STD

For Honda Prelude owners from 1983 to 2001, the ACL Race Series Engine Bearings (part number 4B1955-STD) are an essential upgrade for those looking to enhance their engine's performance and reliability. These bearings are crafted with a unique blend of advanced design, metallurgy, and engineering, making them ideal for high RPM conditions that are common in spirited driving and racing scenarios.

Features

  • High-strength overlay plate with reduced thickness for improved fatigue resistance.
  • Hardened steel backs on all rod bearings, providing superior support for the bearing lining and ensuring secure retention in the housing.
  • Increased crush for enhanced bearing retention, keeping everything in place even under extreme conditions.
  • Elimination of flash plating on the back of the bearings enhances heat transfer and maximizes grip between the bearings and their housing.
  • Designed with increased eccentricity to counteract bore distortion at high RPMs and support the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize the load-carrying surface area and improve oil flow to the conrod bearings.
  • Tight, consistent wall tolerances help maintain precise clearances for optimal performance.
  • Enlarged ID chamfers on bearing edges accommodate larger fillet radii on performance crankshafts.

Technical Specifications

  • Size: STD, 0.25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Standard Shaft Size: 1.7707 in / 44.976 mm
  • Max Standard Shaft Size: 1.7717 in / 45 mm
  • Min Standard Tunnel Size: 1.8898 in / 48 mm
  • Max Standard Tunnel Size: 1.8898 in / 48 mm
  • Max Wall at Crown: 0.0591 in / 1.502 mm
  • Max Overall Length: 0.6890 in / 17.5 mm

Customer Feedback

A Honda Prelude owner shared, "I installed the ACL Race bearings in my 1999 Prelude, and I can definitely feel the difference. The engine feels smoother at higher RPMs, and I no longer worry about bearing wear during track days. These bearings are a solid investment for anyone pushing their Prelude to the limits!"

Fitment

The 4B1955-STD bearings are specifically designed for the following models:

  • Honda Prelude (1983-2001)

Whether you're looking to hit the track or simply want peace of mind during your daily drives, the ACL Race Series Engine Bearings are a smart choice for enhancing your Honda Prelude's performance and longevity.

Other Part Numbers:
ACL #acl4B1955-STD

Proposition 65

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

Vehicle
1983-2001
 Honda Prelude

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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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