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ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX 0.25mm Oversized High Performance Main Bearing Set - 5M1219H-.25
ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX 0.25mm Oversized High Performance Main Bearing Set - 5M1219H-.25 - Image 2 ACL Mitsubishi 4G63/4G64 7 Bolt EVO V-IX 0.25mm Oversized High Performance Main Bearing Set - 5M1219H-.25 - Image 2

ACL Race Series Engine Bearings 5M1219H-.25

If you're looking to enhance the performance of your engine, the ACL Race Series Engine Bearings 5M1219H-.25 are engineered specifically for high RPM applications. These trimetal bearings are designed to meet the rigorous demands of both street and track environments, making them a perfect upgrade for your 4, 6, or 8-cylinder engine. Whether you're a proud owner of a 2020 WRX or a 2018 Mustang GT, these bearings will help you achieve the reliability and performance you crave.

Fitment

ACL Race Series Engine Bearings are available for a variety of popular applications. Make sure to verify compatibility with your specific vehicle model to ensure optimal performance.

Key Features

  • High strength overlay plate with reduced thickness enhances fatigue resistance.
  • Hardened steel backs on all rod bearings improve support and retention within the housing.
  • Increased crush for better bearing retention during high-stress conditions.
  • Elimination of flash plating on the back promotes superior heat transfer and grip.
  • Increased eccentricity compensates for bore distortion at high RPM, aiding hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load-carrying surface area and oil flow to conrod bearings.
  • Tight, consistent wall tolerances help maintain precise clearances for reliability.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts.

Technical Specifications

  • Size: STD, .025, .25
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal
  • Min Std Shaft Size: 2.2435 in / 56.985 mm
  • Max Std Shaft Size: 2.2441 in / 57 mm
  • Min Std Tunnel Size: 2.4016 in / 61.000 mm
  • Max Std Tunnel Size: 2.4024 in / 61.021 mm
  • Max Wall at Crown: 0.0783 in / 1.990 mm
  • Max Overall Length: 0.8268 in / 21.00 mm

Customer Feedback

One 2021 Honda Civic Type R owner shared, "I installed the ACL 5M1219H-.25 bearings during my engine rebuild, and the difference was immediately noticeable. The engine feels much more responsive, especially at higher RPMs. These bearings are a game changer!"

Another happy customer, a 2019 Ford F150 driver, stated, "After swapping in these bearings, my truck's performance improved significantly. No more worries about bearing failure during hard pulls."

Upgrade your engine with confidence and experience the difference that high-quality components like the ACL Race Series Engine Bearings can make.

Other Part Numbers:
ACL #acl5M1219H-.25

Proposition 65

⚠ 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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