What is the advantage of tri-metal construction for engine bearings?

Tri-metal bearings use three layers of different materials, typically a steel backing, a copper-lead alloy intermediate layer, and a soft overlay like babbitt. This combination provides a strong foundation with excellent conformability to the crankshaft, allowing for better oil film formation and improved wear resistance.

Do these bearings come with installation hardware?

This product is a set of main bearings only. Installation hardware, such as main cap bolts or oil, is not included and should be sourced separately according to your engine's service manual.

When should I use standard size bearings versus an undersize set?

Standard size bearings are used when your engine's crankshaft journals are within the manufacturer's specified tolerances and show no significant wear. If your crankshaft journals have been ground undersize due to wear or damage, you would need to use a corresponding undersize bearing set.

ACL Nissan VG30DETT 3.0L-V6 Standard Size High Performance Main Bearing Set

Specifications

Brand: ACL
Part #: 4M2737H-STD
UPC: 9315726153024

ACL Nissan VG30DETT 3.0L-V6 Standard Size High Performance Main Bearing Set

Name: ACL Nissan VG30DETT 3.0L-V6 Standard Size High Performance Main Bearing Set
Brand: ACL
SKU: acl-acl-nissan-vg30dett-3-0l-v6-standard-size-high-performance-main-bearing-set-t14-13030
Price: 123.53 USD
Availability: InStock

$123.53

In Stock

ACL high performance main bearing set for Nissan VG30DETT 3.0L engines. Direct fit for many Infiniti and Nissan models.

Key Features

Fits 1993-1997 Infiniti J30, 1990-1992 Infiniti M30, 1997-2000 Infiniti QX4, 1987-1988 Nissan 200SX, 1984-1996 Nissan 300ZX, 1990-1994 Nissan D21, 1999-2004 Nissan Frontier, 1985-1994 Nissan Maxima, 1987-2000 Nissan Pathfinder, 1995 Nissan Pickup, 1993-2002 Nissan Quest, and 2000-2004 Nissan Xterra.
Standard size bearings for VG30DETT 3.0L V6 engines.
Tri-metal construction offers a strong and conformable bearing surface.
Special overlay material resists wear and handles higher stress loads.
Unique oil groove design promotes consistent lubrication.
Designed for high-performance applications where engine stress is increased.

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Product Details

When you're rebuilding or refreshing a VG30DETT engine, especially one that's going to see some hard use, the main bearings are critical. These ACL high-performance main bearings are built to handle more stress than stock. They're made with a special overlay material that's designed to be tough and resist wear, even when the oil pressure isn't perfect or you're pushing the engine hard. This set is for standard size journals, meaning you'll use them if your crankshaft journals are still within factory specifications.

ACL has been making engine bearings for a long time, and they know what it takes to make them last. These bearings feature a tri-metal construction, which is a popular choice for performance applications because it offers a good balance of strength and conformability. This means the bearing can slightly adjust to the crankshaft journal for better oil flow and reduced friction. They also have a unique oil groove design that helps ensure consistent lubrication across the entire bearing surface, which is super important for preventing hot spots and premature wear.

This set includes all the main bearings you'll need for a VG30DETT engine rebuild. Make sure to check your crankshaft journals for any damage or out-of-roundness before installing these. If your journals are worn beyond standard size, you'll need a different bearing set. Always follow the manufacturer's installation instructions and torque specifications when putting these in; proper assembly is key to their performance and longevity.