What is the main difference between these Race Series bearings and standard bearings?

The Race Series bearings feature a tri-metal overlay for improved strength and durability, along with a higher crush height for a more solid seating. They also have a lead-tin overlay that helps absorb small debris, making them better suited for high-stress applications than standard bearings.

What does 'higher crush height' mean for installation?

A higher crush height means the bearing is designed to be slightly compressed when installed in the connecting rod housing. This helps the bearing 'bite' into place more securely, ensuring it stays put and maintains consistent oil clearance even under high RPMs and heavy loads.

Are these bearings undersized or oversized?

This specific part number, 8B634H-011, is a standard size bearing set. If you require undersized bearings for a crankshaft that has been machined, you would need to look for a different part number with the appropriate size suffix (e.g., -010, -020).

ACL Ford Prod. V8 255-289-302 Race Series Engine Connecting Rod Bearing Set

Specifications

Brand: ACL
Part #: 8B634H-011

ACL Ford Prod. V8 255-289-302 Race Series Engine Connecting Rod Bearing Set

Name: ACL Ford Prod. V8 255-289-302 Race Series Engine Connecting Rod Bearing Set
Brand: ACL
SKU: acl-acl-ford-prod-v8-255-289-302-race-series-engine-connecting-rod-bearing-set-t14-633167
Price: 103.86 USD
Availability: BackOrder

$103.86

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ACL Race Series connecting rod bearing set for Ford V8 255-289-302 engines. Built for performance applications.

Key Features

Fits Ford V8 engines including 255, 289, and 302 cubic inch displacements.
Race Series design built for high-performance and racing applications.
Tri-metal overlay construction offers improved strength and durability.
Higher crush height ensures a solid seating in the connecting rod housing.
Lead-tin overlay provides excellent embeddability to absorb small debris.
Designed to maintain consistent oil clearance under demanding conditions.

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Will this fit your vehicle?

Product Details

ACL has been making engine bearings for decades, and this Race Series connecting rod bearing set for your Ford V8 is one of their staples. These bearings are designed for engines that see more demanding use, like those in performance builds or racing applications. They are built with a tri-metal overlay that offers improved strength and durability compared to standard bearings, helping to handle the extra stress and heat generated when you're pushing your engine harder.

The Race Series bearings feature a higher crush height, which helps them seat firmly in the connecting rod housing. This solid seating is crucial for maintaining consistent oil clearance under high loads and RPMs, preventing premature wear. They also incorporate a special lead-tin overlay that provides excellent embeddability, meaning they can absorb small debris without causing damage to the crankshaft. This set is specifically sized for Ford V8 engines like the 255, 289, and 302, ensuring a proper fit for these popular performance platforms.

When you're rebuilding or upgrading a Ford V8, especially for racing or high-performance street use, a solid set of connecting rod bearings is essential. These ACL Race Series bearings are a well-built option that balances performance needs with the reliability you'd expect from a company with a long history in engine components. Make sure to follow the manufacturer's installation instructions carefully, paying close attention to oil clearances and torque specifications to get the most out of these bearings.