What does the 'SI' in the part number MB517SI040 signify?

The 'SI' in the part number typically indicates that these bearings feature a bimetal aluminum silicon base. This material composition is chosen for its improved durability and wear resistance compared to older bearing technologies.

Are these bearings a direct replacement for all Chrysler 360 engines?

These bearings are designed for the Chrysler 360 engine and fit a broad range of vehicles. However, it's crucial to verify that your specific vehicle and engine configuration are listed in the fitment data, as variations can exist.

What does it mean that these bearings are 0.040 inch undersize?

The 0.040 inch undersize designation means these bearings are intended for use with a crankshaft that has been machined down by 0.040 inches. This is a common practice when rebuilding engines to ensure proper clearances with worn or reconditioned crankshafts.

King Engine Bearings Crankshaft Main Bearings MB517SI040

Name: King Engine Bearings Chrysler 360 Crankshaft Main Bearings
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-360-crankshaft-main-bearings-t14-823049
Price: 54.31 USD
Availability: BackOrder

King Engine Bearings Chrysler 360 Crankshaft Main Bearings

$54.31

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 Chrysler 360 Crankshaft Main Bearings. Bimetal aluminum silicon base for improved durability.

Key Features

Fits a wide range of Chrysler and Dodge vehicles with the 360 engine.
Features a bimetal construction with an aluminum silicon base for improved durability.
Designed for crankshaft main bearing applications.
This set is 0.040 inch undersize for use with a machined crankshaft.

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Product Details

Built with a bimetal aluminum silicon base, these King Engine Bearings crankshaft main bearings are a solid option for your Chrysler 360 engine rebuild. This material choice helps improve durability and wear resistance, which is crucial for the main bearings that support the crankshaft's rotation. They are designed to fit a wide range of Chrysler and Dodge vehicles from the early 70s through the late 90s, including popular models like the Dodge D150, Chrysler Newport, and Dodge Dakota.

When you're rebuilding the bottom end of your engine, the main bearings are critical for maintaining proper crankshaft alignment and oil clearance. King Engine Bearings uses advanced manufacturing techniques to ensure these bearings meet strict tolerances. The aluminum silicon base offers a good balance of strength and conformability, allowing the bearing to adapt to the crankshaft surface while providing a strong foundation.

This set is specifically sized for a 0.040 inch undersize crankshaft, which is important to note if you are machining your crankshaft. Always refer to your engine's service manual for specific installation procedures and torque specifications.