What does the 0.025mm undersize mean for installation?

The 0.025mm undersize indicates that these bearings are intended for a crankshaft that has been machined down by 0.001 inches. This is a common practice during engine rebuilds to address wear on the crankshaft journals.

What is the typical construction of these bearings?

These Clevite main bearings feature a tri-metal construction. This typically involves a steel backing for strength, an intermediate layer, and a lead-tin-copper alloy overlay for excellent wear resistance and load-carrying capacity.

Are these bearings suitable for a stock rebuild or a performance build?

Clevite bearings are well-regarded for both stock rebuilds and performance applications due to their durable construction. The tri-metal design offers good load capacity and wear resistance, making them a solid choice for various engine builds.

Clevite Main Bearing Set MS1951A25MM

Name: Clevite Nissan 2960cc 3.0L Eng 1990-93 Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-nissan-2960cc-3-0l-eng-1990-93-main-bearing-set-t14-54405
Price: 41.48 USD
Availability: BackOrder

Clevite Nissan 2960cc 3.0L Eng 1990-93 Main Bearing Set

$41.48

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Clevite main bearing set for Nissan 3.0L engines. Fits 1990-1993 models.

Key Features

Fits 1990-1993 Nissan 3.0L engines.
Features a 0.025mm undersize for use with machined crankshafts.
Utilizes a tri-metal construction for durability and wear resistance.
Designed to support the crankshaft in a wide range of Nissan and Infiniti vehicles.

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Will this fit your vehicle?

Product Details

The main bearings are a critical part of your engine's rotating assembly, supporting the crankshaft as it spins. This Clevite Main Bearing Set, part number MS1951A25MM, is built with a specific material composition designed to handle the loads and temperatures found in Nissan 3.0L engines from 1990-1993.

These bearings feature a tri-metal construction, which is a popular choice for performance and durability. This construction involves a steel-backed overlay with a lead-tin-copper alloy overlay, providing a strong foundation with excellent wear resistance. The 0.025mm undersize means these bearings are intended for crankshafts that have been machined down by 0.001 inches, which is common during an engine rebuild to clean up wear surfaces. This set is designed to fit a wide range of vehicles, including popular models like the Nissan 300ZX, Maxima, and Infiniti J30, ensuring you can get your engine back in reliable running condition.

When rebuilding or repairing your engine, using well-built components like these Clevite bearings is important for long-term reliability. Always ensure your crankshaft journals are properly machined and cleaned to the correct specifications before installing new bearings.