What is the primary function of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They allow the crankshaft to rotate smoothly while maintaining precise oil clearances, which is essential for lubrication and preventing excessive wear.

What is the typical installation process for main bearings?

Installation involves carefully cleaning the crankshaft journals and the main bearing saddles in the engine block. The new bearings are then seated, and the crankshaft is installed with the correct torque specifications applied to the main caps. It's recommended to consult the manufacturer's service manual for detailed procedures.

Are these bearings available in different sizes?

This specific part number, MS981A, is a standard size main bearing set. If your crankshaft has been machined undersize due to wear or damage, you would need to order a different size bearing set, typically indicated by a suffix like -010 or -020.

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Trusted Since 1957

Est. 1957

Specifications

Brand: Clevite
Part #: MS981A
UPC: 027067892072

Clevite Ford V8 351M-351W-400 1969-98 Main Bearing Set

Name: Clevite Ford V8 351M-351W-400 1969-98 Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-ford-v8-351m-351w-400-1969-98-main-bearing-set-t14-55550
Price: 53.08 USD
Availability: InStock

$53.08

Only 1 left in stock

Clevite Ford V8 351M-351W-400 1969-98 Main Bearing Set. Essential for engine rebuilds, ensuring proper crankshaft support.

Key Features

Fits 1969-1998 Ford Bronco, Country Sedan, Country Squire, Custom 500, Custom, E-100, E-150, E-250, E-350, Econoline Super Duty, Elite, F-100, F-150, F-250, and others with 351M, 351W, or 400 V8 engines.
Features a multi-layer bearing material with a steel-backed overlay for durability.
Designed to provide proper crankshaft support in Ford V8 engines.
Maintains correct oil clearance for optimal engine performance and longevity.
A key component for engine rebuilds and overhauls.

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About this part

Product Details

This Clevite main bearing set features a multi-layer bearing material with a steel-backed overlay, designed to handle the pressures within your Ford V8 engine. These bearings are crucial for supporting the crankshaft and maintaining the correct oil clearance, which is vital for engine longevity and performance. If you're rebuilding your Ford's 351M, 351W, or 400 V8 engine, this set is a key component to get the job done right.

Clevite is known for well-built engine components, and this main bearing set is no exception. The materials used are chosen to provide durability and consistent performance under operating conditions. Proper installation is key; ensuring the crankshaft journals are clean and within specification will help these bearings perform as intended. This set fits a wide range of Ford vehicles from 1969 through 1998, including popular models like the Ford Bronco, F-150, and E-Series vans.