What does the '+.001in' designation mean for these rod bearings?

The '+.001in' indicates that these bearings are machined to be 0.001 inches larger than the standard size. This is typically used when the crankshaft journals have been machined down (ground undersize) during an engine rebuild.

Why is a 'narrowed shoulder' design important?

A narrowed shoulder design can help prevent the bearing from contacting the crankshaft counterweights, especially in performance applications or when using aftermarket crankshafts. This ensures proper clearance and avoids potential interference.

What is the primary function of rod bearings?

Rod bearings sit between the connecting rod and the crankshaft. Their main job is to create a low-friction surface that allows the connecting rod to pivot smoothly while maintaining a thin film of oil for lubrication and to manage oil clearance.

Specifications

Brand: Manley Performance
Part #: 30020X

Manley Chrysler Small Block 5.7L Hemi Series Rod Bearing (+.001in)

Name: Manley Chrysler Small Block 5.7L Hemi Series Rod Bearing (+.001in)
Brand: Manley Performance
SKU: manley-performance-manley-chrysler-small-block-5-7l-hemi-series-rod-bearing-001i-t14-374720
Price: 199.60 USD
Availability: BackOrder

$199.60

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Manley Chrysler Small Block 5.7L Hemi Series Rod Bearing (+.001in). Direct fit for 5.7L Hemi engines.

Key Features

Fits Chrysler Small Block 5.7L Hemi engines.
Rod bearing set is machined 0.001 inches undersize.
Narrowed shoulder design.
Manley Performance is a well-known brand for internal engine components.

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About this part

Product Details

If you're rebuilding the bottom end of your Chrysler Small Block 5.7L Hemi engine, these Manley Series Rod Bearings are a solid option. They are designed to be a direct fit for your engine, helping to ensure proper oil clearance and smooth operation between the crankshaft and connecting rods. This particular set is machined to be 0.001 inches larger than standard, which is useful when the crankshaft journals have been machined down slightly during a rebuild or repair.

Manley is known for making well-built internal engine components, and these bearings are no exception. They feature a narrowed shoulder design, which can be beneficial in certain engine builds to prevent interference with the crankshaft counterweights. Using the correct size bearings is critical for maintaining proper oil pressure and preventing premature wear on your engine's rotating assembly. Always refer to your engine's service manual for specific installation procedures and torque specifications.