What is the purpose of the .001 inch undersize on these bearings?

The .001 inch undersize means these bearings are slightly smaller than standard size. This is used when the crankshaft journals have been machined down by .001 inch to ensure the correct oil clearance is achieved during engine assembly.

What makes the XP series bearings different?

The XP series bearings feature a special overlay material that offers improved wear resistance. This helps them stand up better to the demands of engine operation and contributes to longer bearing life.

Are these bearings sold individually or as a set?

This is a set of connecting rod bearings. Typically, a set includes all the bearings needed for all the connecting rods in the engine.

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Specifications

Brand: King Engine Bearings
Part #: CR8007XP001
UPC: 611500536960

King Engine Bearings Holden 253/308CI (Size .001) Connecting Rod Bearing Set

Name: King Engine Bearings Holden 253/308CI (Size .001) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-holden-253-308ci-size-001-connecting-r-t14-532203
Price: 133.91 USD
Availability: BackOrder

$133.91

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Engine Bearings Holden 253/308CI (Size .001) Connecting Rod Bearing Set. These XP series bearings offer improved performance for your engine build.

Key Features

Fits Holden 253/308CI engines.
Connecting rod bearing set.
Size is .001 inch undersize.
Features King's XP series overlay for improved wear resistance.
Designed for proper oil clearance in rebuilt engines.

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About this part

Product Details

King Engine Bearings is well-known for making solid engine components, and this set of connecting rod bearings for Holden 253/308 cubic inch engines is no exception. If you're rebuilding the bottom end of your Holden V8, these bearings are a crucial part of ensuring your engine runs smoothly and reliably. They are specifically sized at .001 inch undersize, which is important for achieving the correct oil clearance when paired with a crankshaft that has been machined to match.

The XP series bearings from King are designed with a special overlay material that offers improved wear resistance compared to standard bearings. This means they can handle the stresses of engine operation better over time. Proper oil clearance is key for bearing longevity, as it allows oil to flow correctly and keep the bearing surfaces lubricated and cool. Getting this clearance right, especially with a machined crank, is where a precisely sized bearing like this comes into play.