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 to correct for wear or damage, and they compensate for that removed material.

What is the recommended oil clearance for these bearings?

Refer to the ACL installation instructions or your vehicle's service manual for the precise oil clearance specifications. Proper oil clearance is critical for engine lubrication and longevity.

Does this kit include main bearings or just rod bearings?

This specific kit, part number 4B1936H-STD, contains only the rod bearings required for your engine. Main bearings are sold separately.

ACL Race Series Rod Bearing Set 4B1936H-STD

Name: ACL Honda 4 1958-2056cc Standard Size High Performance Race Series Rod Bearing Set
Brand: ACL
SKU: acl-acl-honda-4-1958-2056cc-standard-size-high-performance-race-series-rod-beari-t14-199084
Price: 65.34 USD
Availability: InStock

ACL Honda 4 1958-2056cc Standard Size High Performance Race Series Rod Bearing Set

$65.34

Only 4 left in stock

ACL Honda 4 1958-2056cc Standard Size High Performance Race Series Rod Bearing Set.

Key Features

Fits 1958-2056cc Honda and Acura engines.
Standard size bearings for use with a factory-spec or freshly machined crankshaft.
ACL Race Series bearings are built for high-performance applications.
Features a well-built overlay material for strength and durability.
Manufactured to precise tolerances for optimal oil clearance.
Includes all necessary rod bearings for a complete engine set.

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Will this fit your vehicle?

Product Details

You get a full set of high-performance rod bearings in this kit, which means one box handles the critical internal engine work for your Honda or Acura. These are ACL's Race Series bearings, built for demanding use where oil clearance and bearing strength are key. If you're building a performance engine or refreshing a high-mileage one, these bearings help ensure your crankshaft spins smoothly and reliably.

ACL has been making engine bearings for a long time, and this Race Series set uses a well-built overlay material that's designed to handle higher loads and temperatures than stock. They're manufactured to tight tolerances, giving you the precise oil clearance needed for optimal lubrication and reduced friction. This set is standard size, meaning it's meant to be used with a crankshaft that hasn't been machined undersize. They fit a range of popular Honda and Acura engines, from the Accord and Prelude to the S2000 and even the Isuzu Oasis.

When installing these bearings, it's important to follow the manufacturer's recommended oil clearance specifications. Cleanliness is also paramount during installation to prevent any debris from compromising the bearing surface. This kit includes all the rod bearings you'll need for your engine.