What does the .10 oversized measurement mean for these bearings?

The '.10' in the description indicates that these bearings are 0.010 inches undersize. This means they are intended for use with a crankshaft that has been machined down by 0.010 inches to ensure a fresh, properly sized surface for the new bearings.

What is the benefit of the CT-1 coating on these bearings?

The CT-1 coating is an advanced surface treatment that helps to reduce friction between the bearing and the crankshaft. It also improves oil retention, which is vital for maintaining proper lubrication and reducing wear, especially in high-performance engines.

Are these bearings suitable for a stock 351 Cleveland engine?

While these bearings are built with high-performance features like the CT-1 coating, they are specifically sized for a machined crankshaft (.010 undersize). They are best suited for performance or race engine builds where tighter tolerances and enhanced lubrication are desired, rather than a standard, unmachined stock engine.

ACL Ford 351C .10 Oversized Race Main Bearing Set - CT-1 Coated

Specifications

Brand: ACL
Part #: 5M1010HC-10
UPC: 9315726463222

ACL Ford 351C .10 Oversized Race Main Bearing Set - CT-1 Coated

Name: ACL Ford 351C .10 Oversized Race Main Bearing Set - CT-1 Coated
Brand: ACL
SKU: acl-acl-ford-351c-10-oversized-race-main-bearing-set-ct-1-coated-t14-372689
Price: 155.94 USD
Availability: BackOrder

$155.94

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Key Features

Fits 1969-1974 DeTomaso Pantera, 1969-1974 Ford, and 1969-1974 Mercury vehicles.
Main bearing set is 0.010 inches undersize for use with a machined crankshaft.
Features ACL's CT-1 coating for improved lubrication and reduced friction.
Tri-metal construction offers a strong and conformable bearing surface.
Designed for high-performance and race applications.
Includes a complete set of main bearings for one engine.

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Will this fit your vehicle?

Product Details

ACL has been making engine bearings for decades, and this .10 oversized race main bearing set for your Ford 351 Cleveland is one of their staples. These bearings are built for performance applications where tighter tolerances and improved lubrication are key. The .10 undersize means they're designed to be used with a crankshaft that has been machined down by 0.010 inches, ensuring a fresh surface for the new bearings to run on.

What sets these apart is the CT-1 coating. This advanced coating helps reduce friction and improve oil retention, which is crucial for keeping your engine cool and running smoothly under load. ACL uses a tri-metal construction that offers a good balance of strength and conformability, allowing the bearing to adapt to the crankshaft surface for optimal contact. This set is a solid option if you're rebuilding a performance 351C and need reliable main bearings that can handle the demands of racing or high-performance street use.

When installing these bearings, it's important to ensure your crankshaft journals are properly machined to the specified 0.010 inch undersize and that the surfaces are clean and smooth. Always refer to the manufacturer's installation instructions for detailed guidance on assembly and torque specifications.