ACL STD SIze High Performance Main Bearing Set Nissan GT-R 2009-2024 | 4M2505H-STD

Product Fitment:

2009-2024 Nissan GT-R

Give your Nissan GT‑R’s engine the strength and reliability it deserves with the ACL Race Series 4M2505H‑STD Main Bearing Set. Engine bearings are critical to smooth crankshaft support and proper oil film maintenance — especially under high loads, high RPM, and performance driving. ACL Race Series bearings are built with precision engineering and premium materials to outperform standard bearings in performance street and race applications.

This standard size bearing set is designed to fit the VR38DETT engine without journal machining, providing a direct OEM replacement with enhanced durability and performance. Whether you’re tuning for power or building a track‑ready GT‑R, these bearings help ensure long‑lasting reliability from the bottom end.

Engine Fitment

• Vehicle: Nissan GT‑R (R35)

• Engine: VR38DETT

What’s Included

• Full set of standard size main bearing shells

Performance Features

• Race Series Design: Premium tri‑metal bearing construction engineered for high load, high RPM durability

• Hardened Steel Backing: Improved resistance to fatigue and distortion under stress

• Grooved Upper Bearings: Enhances oil flow and lubrication to critical crankshaft journals

• Precision Tolerances: Accurate wall thickness and oil clearance for dependable performance

• Optimized Heat Transfer: Helps maintain oil film strength and reduce heat build‑up under load

Why Upgrade to ACL Race Series Bearings

Stock OEM bearings are designed for standard daily driving. Upgrading to the ACL Race Series 4M2505H‑STD bearings gives your GT‑R’s bottom end:

• Enhanced durability under increased load and RPM

• Stable lubrication and oil film integrity

• Better crankshaft support during spirited driving or track use

• Increased confidence for performance builds and high‑demand applications