ACL Race Bearings - Mains (Nissan GT-R R35 VR38DETT) - Version 0 Block

Upgrade your VR38DETT rotating assembly with the ACL Race Series Main Bearings Set (Part # 1M2505H-STD) for Nissan GT-R R35 engines. Manufactured to exacting tolerances with meticulous attention paid to wall thickness accuracy, ACL Race Series main bearings ensure reliable fitment and maintain consistent oil clearances under high-horsepower and high-boost conditions.

Featuring high-strength trimetal copper-lead construction with hardened steel backing and no flash plating, these main bearings deliver superior thermal conductivity and fatigue resistance required for high-output VR38 engine builds. Select the specific block version variant matching your engine case specs (Version 0, Version 1, or Version 2 block).

Key Features & Benefits:

• Trimetal Construction: High load capacity copper-lead structure with galvanic overlay for superior fatigue and seizure resistance.
• No Flash Plating: Improves thermal conductivity directly into the main journal housing for optimal heat dissipation.
• Block Version Specific: Available in Version 0 (1M2505H-STD), Version 1 (1M2505H-STD-1), and Version 2 (1M2505H-STD-2) to match factory block casing tolerances.

Technical Specifications:

• Bearing Type: Main Engine Bearings (Standard Size)
• Material: Tri-Metal Alloy (Copper-Lead / Steel Backed)
• Warranty: ACL Performance Limited Manufacturer Warranty
• Brand: ACL Performance