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

Main bearings sit between the crankshaft and the engine block, supporting the crankshaft as it rotates. They reduce friction and wear, ensuring the crankshaft stays properly aligned for efficient engine operation.

What material is used for these Clevite main bearings?

These bearings feature a multi-layer construction. They have a strong steel backing for structural integrity and a durable bronze-alloy overlay that helps reduce friction and withstand engine loads.

Do I need to replace anything else when installing main bearings?

When rebuilding an engine, it's common practice to replace other related components like rod bearings, piston rings, and oil seals. Always refer to the manufacturer's rebuild guide for a complete list of recommended parts.

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Est. 1957

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

Specifications

Brand: Clevite
Part #: MS981A20
UPC: 027067892096

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-t14-55552
Price: 53.08 USD
Availability: BackOrder

$53.08

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 Ford V8 351M-351W-400 engines (1969-98). Essential for engine rebuilds to ensure proper crankshaft support.

Key Features

Fits 1969-1998 Ford V8 351M, 351W, and 400 engines.
Multi-layer bearing construction with steel backing and bronze-alloy overlay.
Designed to support the crankshaft and maintain proper alignment.
Helps manage high loads and temperatures within the engine.
Popular choice for Ford Bronco, F-150, and Econoline van engine rebuilds.

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Will this fit your vehicle?

Product Details

If you're rebuilding the bottom end of your Ford V8, specifically a 351M, 351W, or 400 engine from 1969 through 1998, a solid set of main bearings is crucial. These Clevite main bearings are designed to provide the necessary support for your crankshaft, ensuring it spins smoothly and stays properly aligned within the engine block. Getting this right is key to a long-lasting engine rebuild.

Clevite uses a multi-layer bearing construction with a steel backing for strength and a bronze-alloy overlay for durability and reduced friction. This combination helps manage the high loads and temperatures found in these V8 engines. The MS981A20 set is a popular choice for many Ford applications, fitting a wide range of trucks and SUVs like the Bronco, F-150, and Econoline vans from the late 60s through the 90s. They are made to fit right, making installation straightforward when you're already deep into an engine project.