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ACL High Performance Rod Bearing Set for Ford/Lotus 1500/1600 OHV Twin Cam STD Size - 4B603H-STD

ACL 4B603H-STD High Performance Rod Bearing Set

The ACL 4B603H-STD rod bearing set represents a precise engineering solution for high-performance applications, particularly in the Ford/Lotus 1500/1600 OHV/Twin Cam engines. This set is crafted to excel under demanding conditions, making it a reliable choice for those looking to enhance their engine's performance and longevity.

Key Features

  • Advanced Overlay Plate: Features a high-strength overlay with reduced thickness, enhancing fatigue resistance and overall durability.
  • Hardened Steel Backs: Each rod bearing is equipped with hardened steel backs, providing superior support for the bearing lining and improving retention within the housing.
  • Increased Crush: Enhanced crush for improved bearing retention ensures stability under high RPM conditions.
  • Optimized Heat Transfer: The elimination of flash plating on the back of the bearings maximizes heat dissipation and grip between the bearing and housing.
  • Increased Eccentricity: Designed to compensate for bore distortion at high RPM, aiding in the formation of hydrodynamic oil films for improved lubrication.
  • 3/4 Grooved Main Bearings: This design optimizes the load-carrying surface area and oil flow to the connecting rod bearings.
  • Tight Wall Tolerances: Consistent wall tolerances help maintain precise clearances for optimal engine performance.
  • Enlarged ID Chamfers: Bearing edges are modified to accommodate large fillet radii on performance crankshafts, ensuring compatibility with high-performance builds.

Specifications

  • Size: STD, 001, 010, 020
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material Composition: Aluminum, Tin, and Silicon
  • Min Standard Shaft Size: 1.9370 in / 49.2 mm
  • Max Standard Shaft Size: 1.9375 in / 49.212 mm
  • Min Standard Tunnel Size: 2.0825 in / 52.896 mm
  • Max Standard Tunnel Size: 2.0830 in / 52.908 mm
  • Max Wall at Crown: 0.0722 in / 1.835 mm
  • Max Overall Length: 0.8799 in / 22.35 mm

The ACL 4B603H-STD rod bearing set is engineered to meet the rigorous demands of high-performance engines, ensuring reliability and efficiency in every application. This product is a solid choice for anyone looking to enhance their engine's performance without compromising on quality or durability.

Other Part Numbers:
ACL #acl4B603H-STD

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

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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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