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  See more parts for Toyota Corolla
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ACL High Performance Rod Bearing Set 0.50mm Oversized for Toyota 4AGE/4AGZE 1983-1999 - 4B1780H-.50
ACL High Performance Rod Bearing Set 0.50mm Oversized for Toyota 4AGE/4AGZE 1983-1999 - 4B1780H-.50 - Image 2 ACL High Performance Rod Bearing Set 0.50mm Oversized for Toyota 4AGE/4AGZE 1983-1999 - 4B1780H-.50 - Image 2

ACL Race Series Engine Bearings - 4B1780H-.50

If you're looking to boost the performance of your Toyota Corolla (1983-2019) or MR2 (1984-1999), the ACL Race Series Engine Bearings are a must-have upgrade. Designed with a unique blend of cutting-edge metallurgy and engineering, these Trimetal engine bearings are built to handle the demands of high RPM driving, ensuring your engine runs smoothly under pressure.

Why Choose ACL Race Series Engine Bearings?

These bearings are not just another aftermarket part; they are engineered for those who take their vehicles seriously. With a focus on durability and performance, the ACL 4B1780H-.50 bearings feature:

  • High strength overlay plate with reduced thickness, enhancing fatigue resistance for those extended runs.
  • Hardened steel backs on all rod bearings, providing superior support and improved retention within the housing.
  • Increased crush for better bearing retention, ensuring they stay put even under extreme conditions.
  • Eliminated flash plating on the back of the bearings, which improves heat transfer and maximizes grip between the bearings and their housing.
  • Enhanced eccentricity to tackle bore distortion at high RPMs, promoting the formation of hydrodynamic oil films for a smoother operation.
  • 3/4 grooved main bearings, optimizing load carrying surface area and oil flow to the conrod bearings for better lubrication.
  • Tight and consistent wall tolerances that help maintain precise clearances for optimal performance.
  • Enlarged ID chamfers on bearing edges, accommodating larger fillet radii on performance crankshafts.

Technical Specifications

  • Size Options: STD, .025, .25, .50
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal
  • Min Standard Shaft Size: 1.6529 in / 41.985 mm
  • Max Standard Shaft Size: 1.6535 in / 42 mm
  • Min Standard Tunnel Size: 1.7717 in / 45 mm
  • Max Standard Tunnel Size: 1.7726 in / 45.024 mm
  • Max Wall at Crown: 0.0585 in / 1.487 mm
  • Max Overall Length: 0.6732 in / 17.1 mm

Fitment

The ACL 4B1780H-.50 bearings are specifically designed to fit:

  • Toyota Corolla (1983-2019)
  • Toyota MR2 (1984-1999)

Customer Feedback

One Toyota MR2 owner shared, "I installed these ACL bearings during my engine rebuild, and the difference was immediately noticeable. The engine revs smoother and holds up under high RPMs without any issues." Another Toyota Corolla driver noted, "These bearings fit perfectly, and I can feel the improvement in oil flow, especially during spirited drives."

Upgrade your engine's performance with the ACL Race Series Engine Bearings and experience the difference in your ride!

Other Part Numbers:
ACL #acl4B1780H-.50

Proposition 65

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

Vehicle
1983-2019
 Toyota Corolla
1984-1999
 Toyota MR2

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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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