What does 'extra oil clearance' mean for my engine?

Extra oil clearance means there's a slightly larger gap between the bearing and the crankshaft journal. This allows for a greater volume of oil to flow through, which helps keep the bearing cooler and ensures lubrication even under high-stress conditions like racing or heavy towing.

Do these bearings come with new rod bolts?

This product is a set of rod bearings only. It does not include new rod bolts. You will need to source compatible rod bolts separately if required for your engine build.

What is the difference between standard size and undersize bearings?

Standard size bearings are meant to be used with a crankshaft that is at its original factory diameter. Undersize bearings are used when a crankshaft has been machined down (ground undersize) to remove wear or damage. This set is standard size.

ACL Ford 144ci / 170ci / 188ci Standard Size High Performance w/ Extra Oil Clearance Rod Bearing Set

Specifications

Brand: ACL
Part #: 6B2150HX-STD
UPC: 9315726263303

ACL Ford 144ci / 170ci / 188ci Standard Size High Performance w/ Extra Oil Clearance Rod Bearing Set

Name: ACL Ford 144ci / 170ci / 188ci Standard Size High Performance w/ Extra Oil Clearance Rod Bearing Set
Brand: ACL
Price: 62.04 USD
Availability: InStock

$62.04

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Key Features

Fits a wide range of Ford 144ci, 170ci, and 188ci engines.
Standard size bearings for use on factory or standard-sized crankshaft journals.
Extra oil clearance helps maintain oil film strength under high load and RPM.
High-performance design suitable for performance builds and heavy-duty applications.
ACL is a well-known manufacturer of engine bearings with a long history.

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Product Details

ACL has been making engine bearings for decades, and this high-performance rod bearing set for your Ford engine is one of their staples. These bearings are built with extra oil clearance, which is crucial for engines that are pushed a bit harder or are running at higher RPMs. This extra clearance helps ensure a consistent flow of oil to lubricate the crankshaft and rod journals, reducing friction and wear, especially under demanding conditions.

The 'HX' designation in the part number signifies ACL's high-performance line, often featuring improved materials and construction over standard bearings. They are designed to handle increased loads and temperatures, making them a solid choice for performance builds or engines that see frequent heavy use. This set is for standard size journals, meaning it's intended to be used on a crankshaft that hasn't been machined undersize. If your crankshaft has been reconditioned to a smaller size, you would need an undersize bearing set.

When you're rebuilding or refreshing a classic Ford inline-six, getting the right bearings is key to a long-lasting engine. This set from ACL offers a good balance of performance and reliability for your project.