What is the size of these main bearings?

This is a standard size main bearing set, indicated by the 'A' in the part number MS979A10. It is designed to fit engines with factory-spec crankshaft journals. Always confirm your engine's specifications before ordering.

Does this set include all the main bearings needed for the engine?

Yes, the MS979A10 set includes all the main bearings required to properly support the crankshaft in your Ford 240, 250, or 300 six-cylinder engine.

What is the best way to ensure these bearings last?

Proper installation is key, including ensuring the crankshaft journals are clean and within specification. Maintaining the correct oil level and using quality engine oil will also help these bearings perform their best and last longer.

Clevite Main Bearing Set MS979A10 - Ford 240 250 300

Name: Clevite Ford Pass & Trk 240 250 300 6 Cyl 1966-93 Main Bearing Set
Brand: Clevite
Price: 54.54 USD
Availability: InStock

Clevite Ford Pass & Trk 240 250 300 6 Cyl 1966-93 Main Bearing Set

$54.54

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 240, 250, 300 6-cyl engines (1966-1993). Ensures proper crankshaft support for a healthy engine.

Key Features

Fits 1966-1993 Ford 240, 250, and 300 6-cylinder engines.
Supports the crankshaft and maintains proper oil clearance.
Helps reduce friction and wear on engine components.
Designed as a direct replacement for the original main bearings.
Built with durable materials for reliable engine operation.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

Clevite is a well-known name in engine components, especially for their bearings. This main bearing set, part number MS979A10, is built for Ford 240, 250, and 300 cubic inch inline six-cylinder engines produced between 1966 and 1993. These bearings are crucial for supporting the crankshaft and ensuring it spins smoothly within the engine block, which is vital for overall engine health and performance.

This set is designed as a direct replacement for the original main bearings. They are made with materials and construction methods that aim for durability and proper oil clearance, helping to reduce friction and wear on your crankshaft. Proper main bearing function is key to preventing engine noise and ensuring the longevity of your engine, especially in applications like the Ford Bronco, F-150, and E-Series vans that this set fits.

When rebuilding or refreshing an engine from this era, ensuring you have the correct main bearings is a critical step. This Clevite set is a solid option to help you get your engine back in good working order.