What is the difference between standard size and undersize rod bearings?

Standard size bearings are meant to be used with a crankshaft that is at its original factory specification. Undersize bearings, typically marked with a number like -010 or -020, are used when the crankshaft journals have been machined down to remove damage or wear. This set is standard size, so it's intended for a crankshaft that hasn't been machined undersize.

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

Tri-metal bearings use three layers of material: a steel backing for strength, a copper-lead alloy for heat dissipation and load capacity, and a thin overlay of babbitt (a soft alloy) for conformability and embeddability. This combination helps the bearing withstand high loads and temperatures while maintaining an oil film.

Do these bearings come with assembly lube?

This set includes the rod bearings themselves. It is highly recommended to use a dedicated engine assembly lubricant when installing new bearings to ensure proper oil film formation during initial startup and break-in.

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

Specifications

Brand: ACL
Part #: 6B2390H-STD
UPC: 9315726263761

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

Name: ACL Nissan VG30DETT 3.0L-V6 Standard Size High Performance Rod Bearing Set
Brand: ACL
SKU: acl-acl-nissan-vg30dett-3-0l-v6-standard-size-high-performance-rod-bearing-set-t14-12915
Price: 61.21 USD
Availability: InStock

$61.21

In Stock

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 designed for a factory-spec crankshaft.
Tri-metal construction offers good load-bearing capacity and wear resistance.
Designed for high-performance applications where increased engine stress is expected.
ACL is a well-known manufacturer of engine bearings.

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Will this fit your vehicle?

Product Details

Rebuilding the top end of your VG30DETT engine? If you're looking for a solid set of rod bearings to handle increased performance, ACL has you covered. These are standard size, meaning they're designed to fit a factory-spec crankshaft. They're a popular choice when you need something more robust than stock, especially if you're planning on pushing your engine a bit harder.

ACL has been making engine bearings for a long time, and these are well-built for the job. They use a tri-metal construction, which is a common and effective design for handling the loads and heat that rod bearings see. This construction helps them maintain oil film integrity under stress, which is critical for preventing premature wear. When you're putting an engine back together, especially one known for performance like the VG30DETT, using reliable bearings is key to a long-lasting build.

This set includes bearings for all the connecting rods in your VG30DETT engine. Make sure to follow proper installation procedures, including cleaning the crankshaft journals thoroughly and using the correct assembly lube. These bearings are designed to fit a variety of Nissan and Infiniti models from the mid-80s through the early 2000s, so double-check your specific vehicle's fitment.