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  See more parts for Ford Contour
Select the year of your Ford Contour:
ACL High Performance Main Bearing Set 5M8174A-STD for Ford/Mazda 2.0L/2.3L Duratec - 5M8174A-STD

If you’re looking to get the most out of your engine, you’ve got to check out these ACL Race Series Engine Bearings. They’re not just any bearings; they’re designed for serious performance. Whether you’re revving up a 4, 6, or 8-cylinder setup, these bad boys can handle the heat—literally. They’re built to withstand those high RPMs that make your heart race and your engine roar.

What makes these bearings stand out?

  • High strength overlay: The reduced thickness means they’ve got improved fatigue properties. Less weight, more strength—what’s not to love?
  • Hardened steel backs: This feature on all rod bearings provides better support for the lining and keeps everything snug in its housing. You don’t want your bearings moving around when you’re pushing your limits.
  • Increased crush: This helps keep the bearings locked in place, so you won’t have to worry about them slipping out during those intense drives.
  • No flash plating: By eliminating this on the backs, heat transfer is improved, which means better performance as the bearings grip their housing. It’s all about keeping things cool under pressure.
  • Increased eccentricity: This little tweak compensates for any bore distortion at high RPMs, helping to form those hydrodynamic oil films that are crucial for smooth operation.
  • 3/4 grooved main bearings: They optimize the load-carrying surface area and ensure that oil flows just right to the conrod bearings. You want them well-lubed, trust me.
  • Tight tolerances: Consistent wall tolerances mean you can maintain clearances that matter, especially when you’re pushing your engine to the max.
  • Enlarged ID chamfers: These are designed to fit those performance crankshafts with large fillet radii, making installation a breeze.

Specifications:

  • Size: STD
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 2.0465"
  • Max Std Shaft Size: 2.0472"
  • Min Std Tunnel Size: 2.2448"
  • Max Std Tunnel Size: 2.2455"
  • Max Wall at Crown: 0.0992"
  • Max Overall Length: 0.752" 3+

What vehicles do these fit?

  • Ford Contour 1995-2000
  • Ford Focus 2000-2018

So, if you’re running a Ford/Mazda 2.0L/2.3L DOHC Duratec and want to push your engine to its limits, grab this high-performance main bearing set. It’s all about keeping your ride smooth and reliable when the pedal meets the metal.

Other Part Numbers:
ACL #acl5M8174A-STD

Proposition 65

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

Vehicle
1995-2000
 Ford Contour
2000-2018
 Ford Focus

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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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