What does '0.25mm oversized' mean for these bearings?

This means the bearings are slightly larger than the standard size. They are intended for use when the crankshaft journals have been machined down by 0.25mm during an engine rebuild. This allows for a proper fit and oil clearance on a reconditioned crankshaft.

What is the tri-metal overlay mentioned?

The tri-metal overlay is a specialized material composition used by ACL on these bearings. It's known for its durability and ability to withstand higher loads and temperatures, which is beneficial for performance engines or engines that see demanding use.

Do these bearings come with installation hardware?

This set includes the rod bearings themselves. Installation hardware, such as new rod bolts, is typically sold separately. Always refer to your vehicle's service manual for complete installation requirements.

Specifications

Brand: ACL
Part #: 4B1906H-.25
UPC: 9315726163160

ACL Acura/Honda K20A3 / 98+ Honda F23A 0.25mm Oversized High Performance Rod Bearing Set

Name: ACL Acura/Honda K20A3 / 98+ Honda F23A 0.25mm Oversized High Performance Rod Bearing Set
Brand: ACL
SKU: acl-acl-acura-honda-k20a3-98-honda-f23a-0-25mm-oversized-high-performance-rod-be-t14-12943
Price: 62.44 USD
Availability: BackOrder

$62.44

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Key Features

Fits 1998-1999 Acura CL, 2002-2006 Acura RSX, 1998-2002 Honda Accord, 2002-2005 Honda Civic, 1998 Honda Odyssey, and 1999 Isuzu Oasis.
Set includes 0.25mm oversized high-performance rod bearings.
Features ACL's specialized tri-metal overlay for strength and load handling.
Designed to maintain oil film thickness under high stress conditions.
Well-built for improved engine reliability and performance.

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About this part

Product Details

ACL has been making engine bearings for decades, and this 0.25mm oversized high-performance rod bearing set for your Acura or Honda is one of their staples. These bearings are crucial for keeping your engine running smoothly by providing a low-friction surface between the connecting rod and the crankshaft. When you're rebuilding an engine or looking to improve its reliability, especially if you've already done some performance work, a well-built bearing set like this is a smart move.

This set is specifically sized at 0.25mm oversized, which is important if your crankshaft journals have been machined down during a rebuild. ACL uses a specialized tri-metal overlay that's known for its strength and ability to handle higher loads, making them a popular choice for both street performance and track applications. The material composition helps to maintain oil film thickness under stress, reducing wear and preventing catastrophic engine failure. They are designed to fit right into the connecting rods for the K20A3 and F23A engines, among others listed.

When installing these bearings, it's critical to ensure your crankshaft journals are clean and within the specified tolerance for the 0.25mm oversize. Always refer to your vehicle's service manual for the correct installation procedures and torque specifications. Having the right tools and a clean work environment will make the job go much smoother.