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

This means the bearings are slightly larger than standard. They are intended for use when the crankshaft journals have been machined down by 0.25mm during an engine rebuild to correct wear or damage.

What is the purpose of rod bearings?

Rod bearings are crucial components that sit between the connecting rod and the crankshaft. They allow the connecting rod to spin smoothly around the crankshaft, reducing friction and wear.

What is the overlay material on these bearings?

The product details specify a high-performance overlay, which is designed to provide enhanced durability and load-carrying capacity for demanding engine applications.

Specifications

Brand: ACL
Part #: 4B8170H-.25
UPC: 9315726165881

ACL Ford/Mazda (L3) Duratec 2.3L .25mm Oversized High Performance Rod Bearing Set

Name: ACL Ford/Mazda (L3) Duratec 2.3L .25mm Oversized High Performance Rod Bearing Set
Brand: ACL
SKU: acl-acl-ford-mazda-l3-duratec-2-3l-25mm-oversized-high-performance-rod-bearing-s-t14-200796
Price: 55.92 USD
Availability: BackOrder

$55.92

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2004-2009 Mazda 3. ACL .25mm oversized rod bearings for the Duratec 2.3L engine. Get reliable engine performance.

Key Features

Fits 2004-2009 Mazda 3 and 2003-2008 Mazda 6.
Designed for the Ford/Mazda L3 Duratec 2.3L engine.
Set includes .25mm oversized rod bearings.
Features a high-performance overlay for durability.
Helps ensure smooth crankshaft rotation.

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About this part

Product Details

This ACL rod bearing set is built for the Ford/Mazda L3 Duratec 2.3L engine. Rod bearings sit between the connecting rod and the crankshaft, allowing the rod to spin smoothly. When these wear out, you can get knocking noises and eventually catastrophic engine failure. This set is .25mm oversized, meaning it's designed to be used when the crankshaft journals have been machined down by .25mm during an engine rebuild. They are made with a high-performance overlay to handle the demands of a well-built engine.

If you're rebuilding your Duratec 2.3L, this set of rod bearings is a solid option to ensure your engine runs smoothly for miles to come. Make sure to check your crankshaft journal dimensions before ordering to confirm you need the .25mm oversized size.