ACL Standard Sized High Performance Main Bearing Set (Oversized +0.10mm) Nissan GT-R 2009-2024 | 1M2505H-STD-1

Product Fitment:

2009-2024 Nissan GT-R

Upgrade the bottom end of your Nissan GT‑R’s engine with the ACL Race Series 1M2505H‑STD‑1 Main Bearing Set. Main bearings are vital to engine health, supporting the crankshaft and maintaining proper oil film under pressure. ACL’s Race Series bearings deliver enhanced strength and durability compared to standard bearings — making them ideal for performance, high‑boost, and high‑RPM applications.

This oversized +0.10mm bearing set is engineered to precisely fit engines with machined journals, offering improved reliability and consistent performance for both street and track builds.

Built for Performance and Durability

• Application: Nissan GT‑R R35 equipped with the VR38DETT engine

• Bearing Size: Oversized +0.10mm for engines with machined mains

• Race Series Quality: Premium tri‑metal bearing construction for optimized wear resistance

• Hardened Steel Backing: Increased load capacity and fatigue resistance

• Grooved Design: Promotes effective oil flow and helps protect the crankshaft under load

• Precision Tolerance: Accurate wall thickness for consistent oil clearance and reliable performance

ACL Race Series bearings are designed to handle higher loads, higher RPMs, and added stress when compared to standard bearings — perfect for performance‑oriented builds where reliability matters.

Why Upgrade Your Main Bearings

Upgrading to ACL Race Series bearings helps:

• Improve durability and reliability under increased power and load

• Maintain stable crank support under boost and aggressive driving

• Reduce risk of bearing fatigue or failure

• Deliver consistent oil film integrity for longer engine life

Technical Summary

• Part Number: 1M2505H‑STD‑1 (Oversized +0.10mm)

• Kit Includes: One complete set of oversized main bearing shells

• Material: Tri‑metal construction with hardened steel backing

Fitment

• Vehicle: Nissan GT‑R (R35)

• Engine: VR38DETT

• Years: 2009–2024

• Designed for engines with main journals machined to accept +0.10mm bearings