ACL 1B2500H-STD-1 GTR Race Series Rod Bearings for 2009-2024 Nissan GT-R

Vehicle Fitment

• 2009-2024 Nissan GT-R (R35; Base, Premium, Nismo, Black Edition, Track Edition, Pure, 50th Anniversary) - VR38DETT engine

Features

• Performance ACL Race Series connecting rod bearing set engineered for high-RPM and performance applications
• Tri-metal construction with hardened steel backs for improved bearing support and retention
• Standard-1 (STD-1) size for precise oil clearance and fitment
• High-strength overlay plate reduces fatigue and enhances reliability
• Increased crush improves bearing retention in housing
• Eliminated flash plating for better heat transfer and grip
• Increased eccentricity helps form hydrodynamic oil films at high RPM
• Enlarged ID chamfers accommodate large crank fillet radii on performance engines

Specifications

• Part Number: 1B2500H-STD-1
• Brand: ACL
• Series: Race Series Connecting Rod Bearings
• Material: Tri-metal with hardened steel backing
• Size: Standard-1 (graded standard oil clearance)
• Oil Clearance: Standard (graded)
• Min Shaft Size: 2.2025" / 55.943 mm
• Max Shaft Size: 2.2032" / 55.961 mm
• Min Tunnel Size: 2.3228" / 59 mm
• Max Tunnel Size: 2.3233" / 59.013 mm
• Overall Width: 0.748" / 19 mm
• Half Type: Identical halves

Included Components

• 1x Pair connecting rod bearing shells - standard-1 size (order 6 pairs for complete rod set)
• Installation guide and packaging

Product Description

The ACL 1B2500H-STD-1 Race Series Rod Bearings are high-performance engine bearings built for the demanding VR38DETT twin-turbo V6 used in **2009-2024 Nissan GT-R (R35)** models - including Base, Premium, Nismo, Black Edition, Track Edition, Pure, and 50th Anniversary editions. Engineered with precision tri-metal construction and hardened steel backs, these bearings deliver exceptional durability and support under high RPM and heavy load conditions common in performance and track use.

Each bearing pair is Standard-1 (STD-1) sized for consistent oil clearance and fitment with stock and modified VR38DETT crank journals. ACL's advanced design features, including increased crush and optimized bearing geometry, improve retention and hydrodynamic oil film formation, promoting reliable engine performance and longevity. These rod bearings are ideal for performance builds, engine rebuilds, and motorsport applications where robust oil film and heat transfer are critical. Note: this SKU supplies **one pair of bearing shells** - most installations require **six pairs for a full engine rod set**.