What does the 0.025 inch undersize mean for these bearings?

The 0.025 inch undersize indicates that these bearings are designed for a crankshaft that has been machined down by 0.025 inches. This is a common practice during engine rebuilding to restore proper clearances when the original crankshaft has wear or has been previously ground.

Are these bearings sold individually or as a set?

This is a main bearing set, meaning it includes all the necessary bearings to replace the main bearings for your engine. You get a complete set for the entire crankshaft main bearing journal locations.

What is the typical installation process for main bearings?

Installation involves carefully cleaning the engine block and crankshaft journals, placing the bearings in their respective locations, and then torquing the main caps to the manufacturer's specifications. It's important to use a torque wrench and follow the correct sequence.

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Trusted Since 1957

Est. 1957

Specifications

Brand: Clevite
Part #: MS1429G25MM
UPC: 027067552563

Clevite Toyota 3878 4230cc 6 Cyl 1972-87 Main Bearing Set

Name: Clevite Toyota 3878 4230cc 6 Cyl 1972-87 Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-toyota-3878-4230cc-6-cyl-1972-87-main-bearing-set-t14-58263
Price: 59.43 USD
Availability: BackOrder

$59.43

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Fits 1972-1983 Toyota Land Cruiser. Clevite main bearing set for engine rebuilding.

Key Features

Fits 1972, 1975-1983 Toyota Land Cruiser.
Main bearing set designed for engine rebuilding.
Features a multi-layer bearing material for durability.
This set is 0.025 inch undersize, intended for machined crankshafts.

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About this part

Product Details

If you're rebuilding the engine in your 1972, 1975-1983 Toyota Land Cruiser, a solid set of main bearings is crucial for a smooth-running powerplant. These Clevite main bearings are designed to replace the original equipment, ensuring proper support for your crankshaft and maintaining correct oil clearances.

Clevite uses a multi-layer bearing material that's built to handle the pressures and temperatures found in your engine. The 0.025 inch undersize sizing means these bearings are intended for crankshafts that have been machined down to compensate for wear or damage. This is a common step when rebuilding an engine to ensure a fresh, tight fit for the crankshaft within the engine block.

When you're putting an engine back together, using well-made components like these Clevite bearings helps ensure your rebuild lasts. Make sure to follow the manufacturer's installation instructions carefully, paying close attention to oil clearances and torque specifications.