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

The '.25mm oversize' indicates that these bearings are slightly larger than standard size. This is useful if the crankshaft journals have been machined undersize during a previous rebuild, or if you are aiming for tighter oil clearances in a performance engine build.

What is the benefit of the tri-metal overlay material?

ACL uses a tri-metal overlay material which is known for its strength and durability under high loads. This construction helps maintain a consistent oil film between the bearing and the crankshaft journal, reducing wear and protecting components during demanding operation.

Do these bearings come with installation hardware?

This listing is for the rod bearing set only. Installation hardware, such as new rod bolts, is typically sold separately and should be replaced according to manufacturer recommendations during an engine rebuild.

ACL Rod Bearing Set High Performance .25mm Oversize 4B2746H-

Name: ACL Nissan KA24DE 2389cc Inline 4 (240SX) .25mm Oversized High Performance Rod Bearing Set
Brand: ACL
Price: 51.00 USD
Availability: InStock

ACL Nissan KA24DE 2389cc Inline 4 (240SX) .25mm Oversized High Performance Rod Bearing Set

$51.00

Only 4 left in stock

ACL High Performance Rod Bearing Set for Nissan KA24DE engines. .25mm oversize.

Key Features

Fits Nissan 240SX, Altima, Axxess, D21, Frontier, Pickup, Stanza, and Xterra.
Designed for Nissan KA24DE 2389cc Inline 4 engines.
Features a .25mm oversize dimension for crankshaft journals.
Utilizes a tri-metal overlay material for improved load capacity.
High-performance rod bearing set for engine rebuilding and performance applications.

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Will this fit your vehicle?

Product Details

Rebuilding the top end of your Nissan KA24DE engine means you're likely looking for parts that can handle a bit more stress. These ACL high-performance rod bearings are a solid choice when you need to go beyond stock. They're designed to handle the increased loads that come with a performance build, whether you're just refreshing an older engine or pushing it for more power.

What sets these apart is the .25mm oversize dimension. This is crucial if your crankshaft journals have been ground down during a previous rebuild or if you're looking to tighten up bearing clearances. ACL uses a tri-metal overlay material, which is well-known for its strength and ability to maintain oil film under pressure. This means better protection for your connecting rods and crankshaft, especially in demanding applications.

When you're installing these, remember to check your crankshaft journal measurements to ensure the .25mm oversize is appropriate for your build. Proper oil clearance is key to longevity, and these bearings are built to help you achieve that. They're a popular choice for tuners and mechanics working on KA24DE engines in everything from 240SX models to Frontiers and Xterras.