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ACL Trimetal Main Bearing Set .40mm Oversized for Ford V8 370/429/460 1968-1998 - 5M1039P-40
ACL Trimetal Main Bearing Set .40mm Oversized for Ford V8 370/429/460 1968-1998 - 5M1039P-40 - Image 2 ACL Trimetal Main Bearing Set .40mm Oversized for Ford V8 370/429/460 1968-1998 - 5M1039P-40 - Image 2

ACL 5M1039P-40 Trimetal Main Bearing Set

The ACL 5M1039P-40 Trimetal Main Bearing Set is engineered for high-performance applications, specifically designed for Ford V8 engines from 1968 to 1998. This bearing set is built to meet the demands of higher RPM conditions, ensuring durability and reliability under extreme driving circumstances.

Key Features

  • Constructed with a high-strength overlay plate that has reduced thickness, enhancing fatigue resistance for long-lasting performance.
  • Hardened steel backs on all bearings provide superior support for the bearing lining and enhance retention within the housing.
  • Increased crush design improves bearing retention, ensuring stability during operation.
  • Elimination of flash plating on the back of the bearings optimizes heat transfer, maximizing grip between the bearings and their housing.
  • Enhanced eccentricity compensates for bore distortion at high RPM, facilitating the formation of hydrodynamic oil films.
  • 3/4 grooved main bearings optimize load-carrying surface area and improve oil flow to the connecting rod bearings.
  • Tight tolerances maintain consistent clearances for improved engine performance.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Specifications

  • Size: .40mm Oversized
  • Oil Clearance: Standard
  • Half Type: Upper & Lower
  • Material: Tri-metal with hardened steel backs
  • Min Standard Shaft Size: 2.9994 in / 76.185 mm
  • Max Standard Shaft Size: 3.0002 in / 76.205 mm
  • Min Standard Tunnel Size: 3.1922 in / 81.082 mm
  • Max Standard Tunnel Size: 3.193 in / 81.102 mm
  • Max Wall at Crown: 0.0959 in / 2.436 mm
  • Max Overall Length: 0.95 in / 24.13 mm

Fitment

  • Ford Explorer (1995-2016)
  • Ford Mustang (1964-1973, 1979-2022)
  • Ford Mustang GT (2015-2022)
  • Ford Mustang II (1974-1978)
  • Ford Thunderbird (1983-1997, 2003-2005)

For those looking to enhance their engine's performance and reliability, the ACL 5M1039P-40 Trimetal Main Bearing Set delivers the engineering excellence needed for high RPM applications. Ensure your Ford V8 engine operates at its peak with these precision-engineered bearings.

Other Part Numbers:
ACL #acl5M1039P-40

Proposition 65

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

Vehicle
1995-2016
 Ford Explorer
1964-1973, 1979-2022
 Ford Mustang
2015-2022
 Ford Mustang GT
1974-1978
 Ford Mustang II
1983-1997, 2003-2005
 Ford Thunderbird

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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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