What does '.25mm Oversized' mean for these rod bearings?

This means the inner diameter of the bearings is 0.25mm larger than the standard size. This is used when the crankshaft journals have been machined down by 0.25mm during an engine rebuild to ensure proper oil clearance.

Are these bearings suitable for a stock engine rebuild?

While designed for performance, these bearings can be used in a stock engine rebuild if the crankshaft has been machined to the correct undersize. They offer well-built construction and reliable performance.

What other parts might I need when installing rod bearings?

When replacing rod bearings, it's essential to have your crankshaft professionally measured and machined if necessary. You'll also need new rod bolts, assembly lube, and potentially new piston rings and main bearings for a complete engine rebuild.

ACL Lexus 1UZFE/2UZFE/3UZFE .25mm Oversized Performance Rod Bearing Set

Specifications

Brand: ACL
Part #: 8B8091H-.25
UPC: 9315726109915

ACL Lexus 1UZFE/2UZFE/3UZFE .25mm Oversized Performance Rod Bearing Set

Name: ACL Lexus 1UZFE/2UZFE/3UZFE .25mm Oversized Performance Rod Bearing Set
Brand: ACL
SKU: acl-acl-lexus-1uzfe-2uzfe-3uzfe-25mm-oversized-performance-rod-bearing-set-t14-141445
Price: 164.24 USD
Availability: BackOrder

$164.24

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ACL Lexus 1UZFE/2UZFE/3UZFE .25mm Oversized Performance Rod Bearing Set. These bearings are .25mm oversized to help restore proper clearances in worn engines.

Key Features

Fits Lexus GS400 (1998-2000), GX470 (2003-2009), LS400 (1990-2000), LX470 (1998-2007), SC400 (1992-2000), and Toyota 4Runner (2003-2009), Land Cruiser (1998-2007), Sequoia (2001-2009), Tundra (2000-2009).
This set includes connecting rod bearings that are 0.25mm oversized.
Designed for performance applications and engine rebuilds.
Manufactured by ACL, a well-known engine bearing supplier.

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Will this fit your vehicle?

Product Details

ACL Lexus 1UZFE/2UZFE/3UZFE .25mm Oversized Performance Rod Bearing Set. If you're rebuilding a Lexus or Toyota V8 engine, especially one with some miles on it, you'll want to pay close attention to your connecting rod bearing clearances. These bearings from ACL are manufactured to tight tolerances and are .25mm oversized, which is crucial for restoring proper oil clearance when the crankshaft journals have been machined down during a rebuild.

ACL has been making engine bearings for a long time, and they're known for well-built parts. This set is designed for performance applications, meaning they can handle the demands of a well-tuned engine. The .25mm undersize means they're meant to be paired with a crankshaft that has been ground down by 0.25mm. This ensures a snug fit and the correct oil film thickness, which is vital for engine longevity and performance.

When you're doing an engine rebuild, getting the bearing clearances right is one of the most critical steps. Using a set like this from ACL helps ensure you're starting with a solid foundation for your engine build. Always refer to your vehicle's specific service manual for detailed installation procedures and torque specifications.