ACL Race Series Engine Bearings - 6B2640H-.025

When it comes to performance upgrades for your Nissan, the ACL Race Series Engine Bearings (6B2640H-.025) are engineered for those who demand reliability and durability at higher RPMs. Whether you're pushing your Nissan Maxima from 1981 to 2018, or tuning your Nissan Murano (2003-2007 & 2009-2018) or Nissan Pathfinder (1987-2018), these bearings are designed to meet the rigorous demands of high-performance driving.

Why Choose ACL Race Series Engine Bearings?

These bearings are not just another aftermarket part; they represent a perfect blend of cutting-edge metallurgy and practical design. Here's what makes them stand out:

• High strength overlay plate with reduced thickness enhances fatigue resistance, ensuring longevity under stress.
• Hardened steel backs provide superior support for the bearing lining, improving retention within the housing.
• Increased crush enhances bearing retention, giving you confidence during high-load situations.
• Elimination of flash plating on the back maximizes heat transfer and grip, ensuring optimal performance.
• Increased eccentricity compensates for bore distortion at high RPM, promoting effective hydrodynamic oil film formation.
• 3/4 grooved main bearings optimize load-carrying surface area and oil flow to the connecting rod bearings.
• Tight wall tolerances help maintain consistent clearances, crucial for performance applications.
• Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, enhancing fitment.

Technical Specifications

• Size: STD, .025
• Oil Clearance: Standard
• Half Type: Identical Halves
• Material: Tri-metal with Hardened Steel Backs
• Minimum Standard Shaft Size: 2.0455 in / 51.956 mm
• Maximum Standard Shaft Size: 2.0463 in / 51.975 mm
• Minimum Standard Tunnel Size: 2.1654 in / 55 mm
• Maximum Standard Tunnel Size: 2.1659 in / 53.013 mm
• Maximum Wall at Crown: 0.0591 in / 1.502 mm
• Maximum Overall Length: 0.669 in / 17 mm

Fitment

These bearings are compatible with the following models:

• Nissan Maxima (1981-2018)
• Nissan Murano (2003-2007 & 2009-2018)
• Nissan Pathfinder (1987-2018)

Customer Feedback

A Nissan Maxima owner shared, "I installed these ACL bearings during my engine rebuild and noticed a significant improvement in oil pressure and overall engine response. They fit perfectly and have held up even during spirited driving sessions." Another Nissan Murano driver said, "These bearings gave my engine the reliability I was looking for. No more worries about wear and tear during high RPMs!"

Upgrade your engine with the ACL Race Series Engine Bearings and enjoy the peace of mind that comes with quality engineering. Perfect for those who push their vehicles to the limit.