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ACL Race Series Con Rod Bearing Set for Chevrolet V8 305-350-400, STD, Tri-metal, Extra Oil Clearance - 1B663HX-STD

ACL 1B663HX-STD Con Rod Bearing Set

If you're looking for reliable performance in your engine, the ACL 1B663HX-STD Con Rod Bearing Set is worth considering. Designed specifically for high-performance conditions, these bearings are crafted to provide the durability and strength that drivers expect. Whether you're on the track or just pushing your vehicle to its limits, these bearings have you covered.

Features

  • High strength overlay plate with reduced thickness, enhancing fatigue resistance.
  • Hardened steel backs on all rod bearings, which improves support and retention within the housing.
  • Increased crush for better bearing retention, ensuring they stay in place during intense conditions.
  • Elimination of flash plating on the back for improved heat transfer and grip.
  • Enhanced eccentricity to accommodate bore distortion at high RPM, aiding in hydrodynamic oil film formation.
  • 3/4 grooved main bearings optimize load carrying surface area and oil flow to the conrod bearings.
  • Tight and consistent wall tolerances help maintain clearances for reliable performance.
  • Enlarged ID chamfers on edges to fit performance crankshafts with larger fillet radii.

Specifications

  • Size: STD, 001, 010
  • Oil Clearance: + 0.001" Extra
  • Half Type: Upper & Lower
  • Material: Tri-metal Hardened Steel Backs
  • Min Std Shaft Size: 2.0990" (53.315mm)
  • Max Std Shaft Size: 2.1000" (53.340mm)
  • Min Std Tunnel Size: 2.25in / 57.15mm
  • Max Std Tunnel Size: 2.2247" (56.507mm)
  • Max Wall at Crown: Std: 0.0614" (1.559mm)
  • Max Overall Length: 0.837" (21.25mm)

Customer Feedback

Many users have reported that the ACL 1B663HX-STD bearings provide a noticeable improvement in engine performance. One customer shared, "I installed these in my 350 and noticed a smoother operation at higher RPMs. Definitely worth the investment!" Another user commented, "These bearings fit perfectly and seem to hold up well under pressure. I’ve had no issues during my last few races."

Overall, the ACL 1B663HX-STD Con Rod Bearing Set is a solid choice for those who demand reliability and performance from their engine components.

Other Part Numbers:
ACL #acl1B663HX-STD

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⚠ WARNING: Cancer and Reproductive Harm
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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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