What does STDX size mean for these bearings?

STDX size indicates that these bearings are 0.040 inches undersize. This is important if your engine's crankshaft has been ground undersize during a rebuild to correct wear or damage. Always match the bearing size to your crankshaft specifications.

What is the material of these bearings?

These bearings are made from a lead-free, environmentally safe composite bi-metal aluminum material. This construction is chosen for its high-performance characteristics and durability in engine applications.

Are these bearings sold individually or as a set?

This product is a crankshaft main bearing set, meaning it includes all the necessary main bearings for a complete engine build or rebuild. You receive a full set of bearings for your engine's main journals.

Specifications

Brand: King Engine Bearings
Part #: MB5116HPSTDX
UPC: 611500540127

King Engine Bearings Chrysler 426CI/440CI V8 OHV (STDX Size) Crankshaft Main Bearing Set

Name: King Engine Bearings Chrysler 426CI/440CI V8 OHV (STDX Size) Crankshaft Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-426ci-440ci-v8-ohv-stdx-size--t14-426083
Price: 136.12 USD
Availability: BackOrder

$136.12

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King Engine Bearings Chrysler 426CI/440CI V8 OHV (STDX Size) Crankshaft Main Bearing Set. Features lead-free composite bi-metal aluminum for high performance.

Key Features

Fits a wide range of Chrysler, Dodge, and Plymouth vehicles.
STDX size is 0.040 inch undersize for ground crankshafts.
Constructed from lead-free, environmentally safe composite bi-metal aluminum.
Designed for high-performance engine applications.
Specializes in engine bearings since 1960.

⚠️ 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

Built with a lead-free, environmentally safe composite bi-metal aluminum material, this King Engine Bearings crankshaft main bearing set is designed for high-performance applications. This set is specifically sized as STDX, meaning it's 0.040 inches undersize, which is crucial for engines that have had their crankshafts ground undersize during a rebuild. King Engine Bearings has specialized in engine bearings since 1960, focusing on supplying well-built bearings for a wide range of vehicles.

This particular main bearing set fits a broad spectrum of Chrysler, Dodge, and Plymouth vehicles from the mid-1960s through the late 1970s, including popular models like the Chrysler New Yorker, Dodge Charger, and Plymouth Barracuda. The bi-metal aluminum construction offers a good balance of strength and wear resistance, making it a solid option for rebuilding or refreshing your engine's bottom end. Ensure you confirm the STDX (0.040 inch undersize) sizing matches your crankshaft specifications before installation.