What does 'STD' size mean for these bearings?

STD stands for standard size. This means the bearings are designed to fit crankshaft journals that are within the manufacturer's original specifications, without any machining needed for undersize or oversize journals.

Are these bearings suitable for high-performance or heavy-duty use?

These bearings are specifically designed for medium-load engines. While they are well-built, they are not intended for extreme high-performance or heavy-duty racing applications where specialized bearings might be required.

What is the benefit of a lead-free composite material?

The lead-free composite material is an environmentally safer alternative to traditional bearing materials that contained lead. It still offers good wear resistance and performance characteristics suitable for the intended engine applications.

Specifications

Brand: King Engine Bearings
Part #: MB4518SI
UPC: 611500571152

King Engine Bearings 11-20 Chrysler 300 / Dodge Grand Caravan (Size STD) Main Bearing Set

Name: King Engine Bearings 11-20 Chrysler 300 / Dodge Grand Caravan (Size STD) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-11-20-chrysler-300-dodge-grand-caravan-t14-423946
Price: 113.05 USD
Availability: InStock

$113.05

Only 4 left in stock

King Engine Bearings MB4518SI Main Bearing Set. A lead-free composite bearing for medium-load 3.6L V6 engines.

Key Features

Fits 2011-2022 Chrysler 300, 2011-2022 Dodge Challenger, and many other vehicles with the 3.6L V6 Pentastar engine.
Standard (STD) size main bearing set.
Features a lead-free, environmentally safe composite material.
Constructed with a bi-metal aluminum material.
Designed 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 a Chrysler Pentastar 3.6L V6 engine, getting the right main bearings is crucial for a smooth-running motor. King Engine Bearings has been specializing in these critical components since 1960, aiming to provide well-built bearings that stand up to the demands of everyday driving.

This main bearing set, part number MB4518SI, uses a lead-free, environmentally safe composite material. It's a bi-metal aluminum bearing designed for medium-load engines, making it a solid option for many Chrysler 300s, Dodge Challengers, and other vehicles equipped with the 3.6L Pentastar engine. The standard (STD) size ensures it's ready to go in for a stock rebuild.