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ACL 4B2904H-.25 Performance Rod Bearing Set
The ACL 4B2904H-.25 rod bearing set is engineered for those who demand precision and durability in high-performance applications. Crafted from a tri-metal construction, these bearings are designed to withstand the rigors of higher RPMs while providing optimal support and reliability.
Key Features
- High-strength overlay plate with reduced thickness enhances fatigue resistance.
- Hardened steel backs improve bearing retention and support for the lining.
- Increased crush for superior bearing retention within the housing.
- Elimination of flash plating enhances heat transfer and maximizes grip.
- Increased eccentricity aids in compensating for bore distortion at elevated RPMs, promoting effective hydrodynamic oil film formation.
- 3/4 grooved design optimizes load-carrying surface area and oil flow to connecting rod bearings.
- Tight wall tolerances ensure consistent clearances for reliable performance.
- Enlarged ID chamfers accommodate larger fillet radii on performance crankshafts.
Specifications
- Size: .25mm Oversized
- Oil Clearance: Standard
- Half Type: Identical Halves
- Material: Tri-metal with Hardened Steel Backs
- Min Standard Shaft Size: 1.9995 in / 50.787 mm
- Max Standard Shaft Size: 2.0003 in / 50.807 mm
- Min Standard Tunnel Size: 2.1219 in / 53.897 mm
- Max Standard Tunnel Size: 2.1226 in / 53.913 mm
- Max Wall at Crown: 0.0605 in / 1.536 mm
- Max Overall Length: 0.768 in / 19.50 mm
Ideal for applications where performance and reliability are paramount, the ACL 4B2904H-.25 rod bearing set is a solid choice for optimizing your engine's capabilities.
Other Part Numbers:
ACL #acl4B2904H-.25
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
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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