ACL Race Series STD-0 main bearings are precision-engineered for high-performance Nissan VQ and VR engines. This set includes one pair of upper and lower bearings designed to meet the demands of high-RPM applications. Made with a high-strength trimetal structure and advanced fatigue-resistant overlay, they provide consistent oil film formation, superior crankshaft support, and exceptional durability for street, track, or turbocharged builds.

Note: One pair of bearings included per set. Order the required number of pairs to complete your main bearing replacement.

Key Features

• Standard-0 size main bearings (for select Nissan VQ/VR engines)

• Includes one pair (upper and lower) – order as needed for full set

• Trimetal bearing construction with fatigue-resistant overlay

• Hardened steel backing for strength and bearing retention

• Extra crush and eccentricity for high-RPM distortion control

• Enlarged chamfers for crankshaft fillet clearance

• Flash plating eliminated to improve heat transfer

• Tight manufacturing tolerances for consistent clearance

Technical Specifications

• Size: STD-0

• Tunnel Diameter: 69.993 – 70.017 mm

• Shaft Diameter: 64.951 – 64.975 mm

• Max Length: 20 mm

• Half Type: Upper & Lower

• Weight: 0.09 kg

Fitment Information
Fits the following Nissan and Infiniti high-performance engines:

• Nissan 350Z, Skyline, Infiniti FX35, M35, EX35 – VQ35HR

• Nissan 370Z, Skyline, Infiniti Q50/Q60, FX37, M37, EX37 – VQ37VHR

• Nissan GT-R R35 – VR38DETT

• Nissan Z, Infiniti Q50, Q60 (newer models) – VR30DDTT

What’s Included

• (1) Pair of ACL Race Series main bearings (upper & lower)

For complete engine coverage, ensure you order the correct number of bearing pairs.