What does '1.5mm undersize' mean for these bearings?

This means the bearings are manufactured to be 1.5mm smaller in diameter than standard size. They are intended for use when the crankshaft journals have been machined down by 1.5mm to correct wear or runout.

What is the construction of these bearings?

These bearings feature a bimetal construction, which means they have an aluminum alloy base. This design helps with heat dissipation and provides good wear characteristics.

Are these bearings sold individually or as a set?

This product is a set of connecting rod bearings. You will receive enough bearings to replace all the connecting rod bearings in your engine.

Specifications

Brand: King Engine Bearings
Part #: CR4002AM1.5
UPC: 611500122460

King Ford/Kia/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve (Size +1.5) Rod Bearing Set

Name: King Ford/Kia/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve (Size +1.5) Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-ford-kia-mazda-dohc-16-valve-sohc-16-valve-sohc-8-valv-t14-280156
Price: 26.12 USD
Availability: BackOrder

$26.12

On Backorder

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

King Engine Bearings rod bearing set for Ford, Mazda, and Mercury. Features a 1.5mm undersize for engine rebuilding.

Key Features

Fits Ford Escort, Mazda 323, Mazda MX-3, Mazda Protege, Mercury Capri, and Mercury Tracer.
This is a connecting rod bearing set.
Features a bimetal construction with an aluminum base.
The bearings are 1.5mm undersize, intended for use with machined crankshaft journals.
Designed for DOHC 16 Valve, SOHC 16 Valve, and SOHC 8 Valve engine configurations.

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About this part

Product Details

If you're rebuilding the engine in your Ford Escort, Mazda 323, or Mercury Tracer, getting the connecting rod bearings right is crucial. These King Engine Bearings are a bimetal set, meaning they have an aluminum base, which helps with heat dissipation and wear resistance. They're specifically sized at 1.5mm undersize, which is important when you're machining the crankshaft journals to match.

King has been making bearings for a long time, and this set is a solid option for many DOHC 16-valve, SOHC 16-valve, and SOHC 8-valve engines from the late 80s through the early 2000s. The bimetal construction is well-suited for the demands of these engines, offering a good balance of strength and conformability to the crankshaft surface. Getting the right size bearing is key for proper oil clearance, which is essential for engine longevity.