ACL Standard Sized High Performance Main Bearing Set (Oversized by +0.40mm) Nissan GT-R 2009-2024 | 1M2505H-STD-4 dimensions 8 6 6 The defining feature of the

The defining feature of the RACE version is its built-in port injection capability:

its limited cooling capacity makes it vulnerable to heat soak under aggressive driving or high ambient temperatures

Application-specific NVH shims and slots minimize vibration and noise

this unit utilizes our Xona Ball Bearing CHRA for increased durability in situations where you might see low oil flow such as road racing or autocross applications

Model: AV06

ACL Standard Sized High Performance Main Bearing Set (Oversized by +0.40mm) Nissan GT-R 2009-2024 | 1M2505H-STD-4 dimensions 8 6 6 The defining feature of theProduct Fitment: 2009 2024 Nissan GT R Upgrade the bottom end of your highperformance Nissan GTR with the ACL Race Series 1M2505HSTD4 Main Bearing Set. Engineered for extreme conditions, these bearings provide enhanced strength, durability, and oil control compared to standard OEM shells. When boost levels, RPMs, and power output increase, factory bearings can become a limiting factor ACLs Race Series bearings are designed to handle higher loads and