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

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

What is the advantage of the lead-free composite material?

The lead-free composite material is an environmentally safe option that is ideal for medium-load engines. It helps provide reliable performance and durability for the bearing surfaces.

Do these bearings come with installation instructions?

While installation instructions are not included with this specific product listing, it is recommended to consult a professional mechanic or refer to the vehicle's service manual for proper installation procedures.

Specifications

Brand: King Engine Bearings
Part #: MB5367SI0.25
UPC: 611500451645

King Engine Bearings GMC 2.4L (146cu) I4 Ecotec Main Bearing Set - (Size 0.25 Oversized)

Name: King Engine Bearings GMC 2.4L (146cu) I4 Ecotec Main Bearing Set - (Size 0.25 Oversized)
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-gmc-2-4l-146cu-i4-ecotec-main-bearing--t14-476028
Price: 60.01 USD
Availability: BackOrder

$60.01

On Backorder

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King Engine Bearings GMC 2.4L Ecotec Main Bearing Set - 0.25mm Oversize. Lead-free composite ideal for medium-load engines.

Key Features

Fits a wide range of vehicles including Chevrolet Cavalier, Pontiac Sunfire, and Buick Skylark.
Main bearing set is 0.25mm oversized for use with machined crankshafts.
Constructed with a lead-free, environmentally safe composite material.
Features a bi-metal aluminum backing for durability.
Ideal for medium-load engine applications.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

If you're rebuilding the bottom end of your engine, getting the main bearings right is crucial for smooth operation and longevity. This main bearing set from King Engine Bearings is specifically made for GMC 2.4L Ecotec engines, and it's a 0.25mm oversized set, meaning it's designed to be used when the crankshaft journals have been machined down by that amount during a rebuild.

King Engine Bearings specializes in making just bearings, and they've been doing it since 1960. This particular set uses a lead-free, environmentally safe composite material over a bi-metal aluminum backing. This construction is well-suited for medium-load engines, providing reliable performance. These bearings fit a range of popular vehicles, including many Chevrolet Cavaliers, Pontiac Sunfires, and Buick Skylarks from the mid-90s to early 2000s.